Izuku Midoriya

Izuku Midoriya (緑谷出久) is the main protagonist of Boku no Hero Academia. Though originally born without a Quirk, he manages to catch the attention of the legendary hero All Might, and has since become his close pupil and a student at Yuuei.

Appearance
Izuku is a 15 year old boy with green eyes and black curly hair with green highlights. During his Junior High School days, he wore a black gakuran uniform with yellow buttons. In Yuuei, he wears the standard male uniform: a light grey suit over a white dress shirt and dark green dress pants, along with a red necktie. Izuku usually wears oversized red shoes. He is very skinny, but after training with All Might, Izuku has gained an array of well-developed abdominal muscles.

Izuku's first hero costume is a dark green/teal full-body (including mask) unitard, with a red belt, elbow pads, knee pads, gloves, and red boots. It has long ear-like protrusions that resembles All Might's haircut, and a mask with a smile on it. During the Battle Trial Arc, Bakugou destroys his mask, so it doesn't resemble a smile anymore. During the Ultimate Space & Jams Arc, while his costume is being repaired, Izuku wears his gym clothes: a blue track suit with thick white lines over his upper body and legs, which form the letters "UA".

After his fight with Shouto, his fingers on his right hand became a little deformed and he gained two scars on the sides of his hand.

Personality
He is a very timid person who gets scared a lot. As he has been bullied since childhood due to being born without a Quirk, Izuku is used to being more reserved and not expressive of himself in front of Katsuki, however he is a rival to him. But in recent events during the Battle Trial Arc, he has shown to raise his voice when the heat is on.

He is very diligent, strong willed and a bit of a dreamer, and because he loves Heroes, he tries to know everything about them and writes down in his notebooks all he knows about heroes, including other Yuuei students.

He will always go rescue someone in danger, even if he knows he's not strong enough and when someone has a personal problem Izuku will always try to help even if its not his business.

Past
When Izuku was born, he had no Quirk. He always loved watching superheroes fight and wanted to be like the hero All Might. He was bullied at school by Katsuki Bakugou for wanting to be a hero and everyone knowing he doesn't have a Quirk. Izuku and his mother went to the doctors where they told him that he could not have a Quirk, because he had 2 joints in his toes. This means he couldn't have one at all. Though this revelation was sad for him, he still believed he could become a hero.

Entrance Exam Arc
During school one day, it was revealed by Katsuki that Izuku wishes to attend the prestigious "Yuuei" high school. His fellow students scoff at him and dismiss his ambitions as ridiculous pipe dream. However, Izuku holds to his dreams and despite the mocking, he convicts himself to enter the school. The same day, as Izuku walks home, a villain fleeing the scene of a crime encounters him. This villain had apparently escaped All Might earlier that day at 12:02 AM. The villain decides that to avoid detection, he should take over Izuku's body. Just as Izuku falls into despair, All Might shows up and saves him. Stunned, Izuku asks for an autograph, but All Might leaves before he can ask the questions he has burning in the back of his mind. So in an effort to get All Might to stay, he latches on to All Might's leg and hangs on while All Might launches himself into the air. After a quick struggle they land safely on a rooftop. Izuku asks him if he could become a hero without an individuality. He tells All Might that he always wanted to be a hero and save people. Suddenly All Might reverts to his skinny and sickly normal self. He then explains to him how a severe wound he received placed a great restriction on his ability, that could only retain his hero form 3 hours out of the day. All Might then sees a villain attacking from a distance. After a scene change down to the area of disaster, Izuku recognizes Katsuki Bakugou and runs into save him for the villain. He goes to grab him, but All Might gets to him first and uses Detroit Smash on the villain. Katsuki gets mad that he saved him and walks away. All Might then came to thank Midoriya and offered him the chance to become a hero.

All Might tells Izuku he's worthy to inherit his strength and that he has the power to transfer his Quirk to people. All Might then begins to train him at the Seaside Park by moving large pieces of garbage around, such as trucks, large office drawers, various craters, and bookshelves. After 10 months of training, the day of the entrance exam arrives. At six o'clock in the morning, at the last possible second, Izuku moves the final piece of garbage. All Might commends him and cuts off a piece of his hair and gives it to Izuku, who eats it, receiving his first dose, a very small piece of One For All. However, because the entrance exam is so close, Izuku must hurry to the school without getting used to the power. Izuku arrives at Yuuei for the Entrance Exam, excited that he will be able to have a chance at becoming a hero. As he runs forward and trips, but is saved by a girl's Quirk. The girl says she is nervous and asks if he is as well, to which he replies with a nod. The girl wishes him good luck while Izuku stands there awestruck, having talked to a girl for the first time in his life (even though he actually didn't talk to her). During the practical test, Izuku tries to destroy a robot, but finds himself too afraid to even move. Yuuga Aoyama appears and destroys the robot. Izuku realizes that he is running out of time. Suddenly, a huge robot appears and begins destroying the area. Izuku runs away but then he sees the same girl who helped him before on the ground about to be attacked by the huge robot. Izuku musters up the courage to fight the robot and, for the first time, uses One For All and attacks the huge robot with a devastating punch which completely destroys it and saves the life of the girl while shocking everyone else.



However, Izuku's bones begin to crack due to having never used it before and begins falling. He tries to use Detroit Smash to land safely, but to no avail. The girl, whose life Izuku saved, uses her Quirk to allow him to land safely. The practical test is declared over, much to Izuku's sadness as he did not get a single point. Recovery Girl then heals his heavy injuries. One week later, Izuku receives a letter that will determine whether he was accepted into Yuuei or not. Izuku opens the letter in his room and a screen with All Might on it appears. He apologises for not contacting Izuku earlier and informs him that he will be working as a teacher at Yuuei. All Might tells him that he did fine on the written test, but since he scored zero points during the practical test he has failed. However, All Might tells him that because he rescued someone during the practical test, he earned 60 points, meaning he has passed and therefore being accepted into Yuuei, much to Izuku's joy and happiness.

Quirk Apprehension Test Arc
During the arc, Izuku is tested on the power and use of his quirk. He tries to throw a ball as far as he can using his quirk, but Shouta Aizawa stops him by using his quirk. He eventually powers up he end of his fingers and launches the ball, but in the end, gets last place.

Battle Trial Arc
Izuku gets teamed up with Ochako Uraraka and must stop Katsuki Bakugou and Tenya IIda from blowing up a fake Nuclear Bomb. They successfully infiltrate the building and look around the corners to see if anyone was coming, where Katsuki ambushes them. Izuku manages to save Ochako from Katsuki's attack, but half of his mask is burned off in the process. As Katsuki is about to attack again, Izuku appears before him, grabs his right arm and throws him into the ground, knowing that he would use his right arm to attack. Izuku tells Katsuki that he has analysed and taken notes (the same notes Katsuki blew up and threw away in the past) on many Heroes including him. He announces that he is no longer the "Deku" who was a loser, but the "Deku" who's vibe is never giving up, much to Katsuki's fury.

Izuku tells Ochako to go on ahead while he fights Katsuki. He manages to grab Katsuki's leg with the Capture Tape, but Katsuki breaks free using an Explosion. Knowing he's at a disadvantage, Izuku retreats in order to think of a strategy. Izuku contacts Ochako and asks her where she is, telling him she's in the middle room on the fifth floor. Afterwards, Katsuki finds Izuku and uses his bracer that has been storing up a lot of sweat to cause a huge Explosion, destroying a large portion of the building. However, Izuku manages to survive the blast and calls Katsuki insane for doing that, but a seathing Katsuki demands that Izuku use his Quirk. Izuku and Katsuki continue their fight, with Izuku trying to land a punch on Katsuki, but Katsuki launches himself behind Izuku using an Explosion and uses another Explosion to hit Izuku's back. Katsuki then hits Izuku's right arm, grabs it and throws him into the ground. Izuku is unable to think of a strategy in the midst of battle due to Katsuki not giving him any openings and realises that Katsuki is simply far stronger than he is. Izuku decides to use his Quirk and informs Ochako to grab onto something. Instead of hitting Katsuki, Izuku aims his Detroit Smash into the ceiling, destroying the fifth floor's ground, but Izuku is forced to take the full brunt of Katsuki's Explosion. Although Izuku was unable to defeat Katsuki, it did distract Tenya long enough for Ochako to grab the fake Nuclear Bomb, allowing both Izuku and Ochako to win.

Izuku is then taken away on a stretcher to have his wound attended to by REcovery Girl. After spending most of the day having his wounds healed, Izuku returns to his classroom. As he enters, Izuku is commended by many of his classmates for his performance during the battle trial. Ochako asks if he is alright, to which he replies that he is fine. Izuku then asks her where Katsuki is. Although many of his classmates try to stop him, Izuku goes to find Katsuki. Izuku finds him and tells him his secret: that he obtained his Quirk from someone else in order to convince him that he had not been deceiving him.

Ultimate Space & Jams Arc
Izuku is confronted by a reporter from the media, asking him questions about All Might, but Izuku makes an exuse to escape from the reporter. In class, Shouta Aizawa makes a remark about Izuku's performance in the battle trial and encourages him to work harder. Afterwards, Izuku is elected as Class President after the class votes, much to his shock. In the lunch room, Izuku is unsure if he is the right one for the task, but is assured that he will be just fine by Tenya after giving some words of confidence. Izuku then learns that Tenya is from a prestigious family of super heroes. As they continue talking, the siren goes off and everyone begins evacuating. After Tenya stops the chaotic evacuation, Izuku returns to class where he decides to step down as Class President and gives the position to Tenya, deeming him more worthy of the position than him.

In a flashback, Izuku is seen speaking to All Might telling him that he revealed to Katsuki about the secret of the One For All Quirk. However, All Might isn't angry about it since Katsuki interpreted it as nonsense and tells Izuku to keep the secret to himself and no one else since if the villains knew about his secret, all of them would probably want to steal his Quirk. In the present, Izuku changes into his gym clothes (since his Hero Costume was tattered during his battle with Katsuki in the battle trial) in preparation for the rescue trial. On the way to the rescue trial training area, Tsuyu Asui says to Izuku that his Quirk reminds her of All Might, much to his shock. Izuku tries to explain that his Quirk isn't like All Might's, but Eijirou Kirishima says that All Might isn't injured by his Quirk, which makes his and Izuku's Quirk different. When Katsuki is being teased, Izuku is surprised to see it happen. At the rescue trial training area, Izuku is seen listening to No. 13's explanation, being impressed by it. However, before anything else could happen, the villains show up, much to Izuku's shock.

Izuku is seen evacuating with his class. However, he is suddenly warped away by Black Mist to the flood area of the Ultimate Space and Jams. In the water, he is then confronted by a fish like villain who prepares to devour him, but Tsuyu saves him and throws him onto a boat along with Minoru. Izuku thanks her for saving him. Then, he tries to figure out why the villains want to kill All Might, pondering whether they have a greater motive other than him being the Symbol of Peace. He then decides that the only course of action they have: they fight to win.

Izuku says that Tsuyu was teleported (along with him and Minoru Mineta) to an area (the flood zone) that allows her to be at full strength and then deduces that the villains do not know what their Quirks are. He then says that although the villains beat them in sheer numbers and experience, the one advantage they do have is the element of surprise (their Quirks as the villains do not know about them). After Minoru explains his Quirk, Izuku remains silent. He then tells Minoru that his Quirk is great but they just have to find a way to make it effective. Izuku jumps off the ship and then uses Delaware Smash on the surface of the water, causing the water to spread out. Tsuyu then grabs Izuku with her tongue and Minoru throws his sticky substance into the spread out water. The spread out water converges in the center along with Minoru's sticky substance (with the villains being pulled in), causing all the villains in the water to be stuck together by Minoru's Quirk. Izuku then escapes along with Minoru and Tsuyu, with Tsuyu saying that he was impressive.

Izuku says that their priority is to call for help, that they can take the waterside to the exit, but after remembering that Shouta is at the central plaza fighting a large group of villains, Izuku decides that they should head to the central plaza and try to be of some assistance to Shouta. However, after reaching the central plaza, Izuku is horrified to see Shouta's condition after he is defeated by a monstrous villain. Izuku is surprised to hear Shigaraki Tomura that they are retreating, pondering that they practically came and did nothing, wondering what they were thinking. Shigaraki then attacks Tsuyu, prompting Izuku to leap in to save her. His attack however is intercepted by Noumu who takes the punch instead. Izuku sees that his arm isn't breaking and realises that he must have unlocked the ability to adjust the power output. Despite the punch being head on, it had no effect on Noumu, must to Izuku's shock. Noumu grabs Izuku's arm, but Tsuyu wraps her tongue around him. Suddenly, All Might appears, much to Izuku's happiness. Izuku is then rescued by All Might along with Minoru and Tsuyu. After seeing All Might in a bad position, Izuku decides to help him, but Katsuki's attack stops him. Izuku then watches the battle between All Might and Noumu. After Noumu's defeat, Shigaraki and Black Mist attempt to finish off All Might, but Izuku intervenes their attempt by running in front of All Might to protect him. Izuku's intervention gives the Heroes enough time to reach the U.S.J, forcing Shigaraki and Black Mist to stop their attempt. After Shigaraki and Black Mist are dealt with by No. 13, Izuku is seen on the ground, crying, as he was unable to do anything to help. However, All Might tells him that is not the case; because if Izuku did not intervene, he would have been dead and thanks him for saving his life. Afterwards, Izuku is taken to Yuuei's Nursery to have his injuries attended to.

Sports Festival Arc
The next day, Izuku listens to Shouta's announcement about Yuuei's Sports Festival. He asks Minoru whether he has watched the heroes sports festival or not, to which Minoru says he has. After the fourth period of modern literature ends, Izuku is seen with Ochako and Tenya and listens to Ochako's reason for becoming a heroine and her history, to which he replies that with her Quirk, she would be able to build for free. After the discussion, All Might arrives and asks Izuku to have lunch with him.

In the resting room, All Might asks him how he is handling his Quirk and Izuku replies that he has gained adjustment to the Quirk, saying that he did not break his arm when punching Noumu, which pleases All Might. All Might then says that his time as the Symbol of Peace is heading to an end, much to Izuku's sadness. All Might says that Yuuei's Sports Festival is an event the whole country will be watching and tells Izuku that in the event he wants the whole world to know that he is the new generation's "All Might" and the future Symbol of Peace, which shocks Izuku. All Might states that he wants Izuku to demonstrate his full potential to everyone at the Sports Festival. However, Izuku thinks that he won't get much attention as well as his inability to go and stand out. All Might states that the difference between someone who aspires to the top and someone who doesn't will have a huge influence when he steps up and steps forward in society. All Might understands Izuku's feeling towards his condition and won't force him to do anything, but asks him to remember his feelings during the time he cleaned up the Seaside Park.

During the two weeks before the Sports Festival, Izuku trains himself. On the day of the Sports Festival while Class 1-A prepares, Shouto approaches Izuku and tells him that objectively, he is stronger than Izuku. He then says that All Might has a deep interest in him and says that he doesn't care why. Shouto then states that he will defeat Izuku. Izuku admits that he is definitely strong and could beat more than half the people in their class, but states to him that everyone (even from the other departments) are giving it their all hoping to be the best and that he will also give it his all. He then walks out to the Sports Festival with his head up high, stating to himself that All Might can retire. Once the Obstacle Course Race begins, Izuku is seen trying to get past the narrow gate. Izuku manages to avoid having his feet frozen to the ground by Shouto. After getting past by the narrow gate, Izuku watches as Minoru gets hit by a robot, worried about his safety. However, he himself is confronted by robots, deciding that now is the time to put his head to use, no longer shaking in fear unlike in the Entrance Exam. Izuku dodges a robot's attack, then picks up a piece of metal and waits for the robot to approach him. As the robot gets momentum, Izuku slices it's head off with the metal, not wanting to use his Quirk so early in the first phase.



Izuku then manages to get across the Fall and heads to the land mine field of the Obstacle Race. Realizing that he is far behind, Izuku gathers as many landmines as possible and jumps onto the metal plate that he used earlier.



Then, the landmines detonates and an explosion occurs, launching Izuku into the air and straight towards the people in the lead, Katsuki and Shouto and pass above them, then in midair he realized that the two of them will quickly pass him, so thinking fast he uses the plate again to blow dust in their eyes to momentary stun them to get first place in the race.



Izuku was given the first placed and he was allowed to advance to the second event of the Sports Festival, which is a Human Cavalry Battle. Izuku then finds out that he is worth 10 million points for the Human Cavalry Battle, because he got first place on the Race Course, which horrifies him. Izuku has trouble finding teammates, but then Ochako decides to team up with him, which makes him happy. Izuku then tries to team up with Tenya as he has great synergy with Ochako's Quirk but he politely declines, much to Izuku's disappointment. Mei Hatsume from the Department of Support approaches Izuku and declares that she wants to team up with him. Although he could not team up with Tenya, Izuku decides to let her team up with him and Ochako. He then looks for a final member for his team, one with power. Eventually, Izuku chooses Fumikage Tokoyami to be their final member. Izuku is then seen mounted on his horse. He then tells Fumikage, Mei and Ochako that he is glad to be their teammates. The event begins and Fumikage along with his teammates are about to be assaulted by Tetsutetsu's team and Tooru's team. Izuku and his team try to escape but they find themselves stuck in Juuzou's Quirk. Izuku tells Ochako and Mei to look away and uses the jetpack that Mei gave to him earlier, allowing him and his teammates to escape into the air. Kyouka attacks but Fumikage uses his Dark Shadow to defend his team. Izuku praises Fumikage and his Quirk for being such a defensive balwark. Izuku and his teammates land safely thanks to Ochako's Quirk and Mei's equipment. Then, Izuku and his teammates are attacked by Tetsutetsu's team again but Fumikage uses his Dark Shadow to block them. Suddenly, Mezou and his team attack them. Under pressure, Izuku decides to escape by flying into the air, but they are suddenly attacked by Katsuki. Izuku warns Fumikage about the impending danger which Fumikage responds to by having his Dark Shadow block Katsuki's Explosion. After landing again, Izuku says that they should have an easier time now, but takes those words back when they are confronted by Shouto and his team. Denki unleashes a large amount of electricity which Fumikage's Dark Shadow protects them from. Afterwards, Izuku notices that the Jetpack doesn't work anymore. As he remembered Dark Shadow's weakness, he realized that Fumikage's Quirk was useless against Kaminari's electricity. Taking that and finding out that Shouto doesn't used his left hand’s power, he decided to only move to his left side to dodge his attacks. But this strategy fails when Tenya uses his new move Reciprocating Burst which allows Shouto to take his 10 million headband in an instant, shocking Izuku. In distress, he ordered his team to go after them, however, Fumikage suggests to go and attack another team, but Izuku replies that he doesn't know the point distribution of the other teams.

Izuku powers up the usage of One For All in his left leg and right arm. Izuku jumps forward using his enhanced One For All left leg to do so, avoiding Shouto's ice and launches a wind pressure blast against Shouto. Izuku's attack, along with Shouto's, collides into Cementoss's cement pillars, which causes a huge shock wave that blasts both Izuku and Shouto. After the dust and smoke clears up, Izuku is seen standing out of bounds. Izuku finally succumbs to his grievous wounds and falls flat onto the ground. Shouto is declared the winner and thus Izuku is eliminated from, the tournament event. Izuku is taken to Reovery Girl's office to have his wounds attended to. Izuku, even though he is weak and in pain from his severe injuries, apologizes to All Might for being unable to live up to his expectations and that all he wanted to do was help Shouto after seeing his sadness. Izuku then asks All Might for his forgiveness. All Might tells Izuku that his match was simply an unfortunate outcome but praises Izuku for helping Shouto with his problem, saying that reaching out and helping people with their personal problems is one of the principal qualities of being a Hero, happy that Izuku has such a quality.

Izuku receives surgery from Recovery Girl, which heals his grievous wounds. After the surgery, she warns Izuku to not abuse his Quirk again. Izuku leaves Recovery Girl's room with All Might and they walk down the corridor. Izuku sadly tells All Might that he thinks that someone else should be his successor. However, All Might tells Izuku that he used to be Quirkless just like him, which surprises Izuku. Izuku says to All Might that he never knew about that information causing All Might to reply that Izuku never asked him. All Might tells Izuku that he chose him to be his successor at first due to him being similar to his former self and admits to Izuku that he has surpassed his expectations after seeing Izuku's actions. All Might says to Izuku that only he will be able to truly shine with the power of One For All. Having been cheered up by his mentor, Izuku apologizes to All Might. Izuku is told by All Might to watch the rest of the Sports Festival and goes to do so.

Izuku arrives back to the tournament event and watches Eijirou and Katsuki's match. Tenya comes and is glad to see that Izuku's surgery went well. Tenya tells Izuku that he will make ample use of his fight with Shouto. After Tenya tells Izuku how he defeated Ibara, Izuku asks if his brother is watching, to which Tenya says that he was but is busy with work. After Katsuki defeats Eijirou, Tenya tells Izuku that he has to leave for his fight. Izuku watches Tenya's fight with Shouto and is saddened to see Tenya lose.

Izuku, along with Ochako and Tenya, watches the match between Fumikage and Katsuki. Izuku notes that if Katsuki didn't find out about Fumikage's weakness, Fumikage would stand a better chance at winning. After the match between Fumikage and Katsuki ends, Izuku wonders how the match between Katsuki and Shouto will turn out. Both Izuku and Ochako agree with Tenya about watching the final match closely for revenge later. Izuku watches the final match between Katsuki and Shouto. During the match, Izuku yells at Shouto to keep fighting.

Izuku watches the closing ceremony of Yuuei's Sports Festival. After Tenya told him about what happened to his brother and that he had to leave the Sports Festival, Izuku wishes for Tenya to be safe. After the Sports Festival is finished, the next day at his home during breakfast, Izuku and his mother talk to each other with Izuku saying that she almost had a rougher time than she did. Izuku's mother talks to Izuku about his Quirk, saying that it is a risky power and that risk doesn't put her mind at ease but she will keep cheering him on. Izuku realizes that all he has been is been making the people watching over him worry about him. Izuku decides that he needs a method of his own that won't make people worry for him and once he finds that method, it will truly be his starting line. Izuku's mother asks him if he wants to watch the replay of the Sports Festival, to which Izuku says he will later.

Field Training Arc
Two days after the Sports Festival, Izuku is on a train to Yuuei. While on the train, some of the passengers recognize him from the Sports Festival, acknowledging his prowess. At Yuuei, Tenya is running and passes by Izuku, telling him that they should be at least 10 minutes earlier for school. After arriving inside, Tenya tells Izuku that he doesn't have to be worried about his older brother as he will be fine and apologizes for causing him unnecessary concern. In class during the Hero Informatics period, Minoru comments that he was afraid that they wouldn't get any nominations to which Izuku agrees. Afterwards, Class 1-A have to decide on Hero names. Izuku ponders that he came up with Hero names resembling All Might and now that he has inherited his power he cannot take any of his thought up Hero names. Izuku is the last student yet to reveal his Hero name. Izuku reveals his Hero name, causing some of his classmates to comment if he is okay with it, to which Izuku replies that up until now he didn't like it at all. Izuku says, however, that someone came along and changed the meaning of the name making him happy. Izuku reveals his Hero name to be Deku, saying with confidence that Deku will be his Hero name.

After Class 1-A is finished formulating their Hero names, Izuku is given a list of 40 work places he can choose from so that he can train from one of them. Ochako tells Izuku that she plans to train at Battle Hero Gunhead's Office with Izuku noting that it is an office specializing in combat and thought that she wanted to specialize in life saving like No. 13. Ochako replies with an explanation to which Izuku agrees with. She then notes that Izuku is shaking and he replies that he is doing an isometric exercise.

After school that day, All Might appears in front of Izuku as he is about to leave class. All Might and Izuku walk along the corridor. All Might says that Izuku received a nomination, much to Izuku's surprise. All Might tells Izuku that the person who nominated him was Gran Torino. All Might explains that Gran Torino was a Pro Hero who taught at Yuuei for one year and that Gran Torino was his homeroom teacher. All Might says that Gran Torino was a close friend of his predecessor, but now he is in retirement. All Might says that Gran Torino knows about the One For All Quirk which is the reason why he must have nominated Izuku. Izuku notes that even All Might is nervous from talking about Gran Torino, wondering how scary the retired Pro Hero was. All Might tells Izuku that while it is his duty to train him, he should select Gran Torino as his work place of choice and go see what he can learn from him. Before leaving, All Might informs Izuku that his Hero costume has been repaired. Thus, Izuku chooses Gran Torino as his work place to train at. On the day of the work place training, Izuku is at the train station with his class so that he can travel to the work place of his choice by train. As Tenya walks to his train, Izuku tells Tenya that if he needs someone to talk to he can talk to him and Ochako (with her nodding in agreement) as they are his friends. Tenya replies that he will and walks away.

After the train stops, Izuku arrives near his destination and walks to Gran Torino's home address. Izuku arrives at a dilapidated building. Izuku enters and tries introducing himself but is horrified to find the elderly retired Pro Hero on the floor seemingly dead. Gran Torino suddenly gets up, explaining to the boy that he was carrying a plate of sausages with ketchup on them but fell and got ketchup everywhere. Gran Torino asks the boy his name to which Izuku tells him his name and that he is from Yuuei. However, Gran Torino does not recall nominating him. He suddenly remembers, calling Izuku "Toshinori" in the process, much to Izuku's annoyance.

Izuku tries to leave the apartment to speak to All Might on his phone, but Gran Torino asks Izuku to fight him with One For All, saying that he wants to see how well Izuku can handle One For All, wanting him to put his Hero costume on and fight him. Gran Torino once again forgets who Izuku is. Thinking that Gran Torino is playing games with him, Izuku declares to the elderly Hero that he needs to learn how to control his power as soon as possible since All Might is running out of time, telling the elderly Hero that he doesn't have time to be fooling around. Izuku starts leaving, visibly disappointed. Suddenly, Gran Torino jumps and leaps in front of Izuku at an incredible speed, stopping Izuku from leaving. Gran Torino tells Izuku that since Izuku has a goal to learn how to control his power, then he has all the more reason to stay. The elderly Hero asks Izuku to use One For All and fight him.

During the night on his first day, Izuku steps out of Gran Torino's apartment and goes to an alley. In the alley, Izuku decides to test out his discovery of using One For All as a normal function by jumping over a fence. Izuku uses One For All in his legs while thinking of One For All as a normal body function. However, Izuku fails to jump over the fence. Izuku concludes that he needs to put more strength of One For All into his legs and continues his self training.

In the morning, Izuku tells Gran Torino that he put what he discovered as practice but found it to be difficult to do so. Gran Torino replies that it is difficult due to just discovering how to use One For All more effectively and comments that All Might in his younger days used One For All like it was normal which is why All Might's way of guidance is wrong. Izuku becomes fascinated from hearing about All Might's younger days, to which Gran Torino replies that he made All Might spew during a practical training session, commenting that All Might could not handle the power emotionally due to being entrusted to it by a late friend. Izuku asks Gran Torino about All Might's predecessor, much to Gran Torino's surprise.

Someone arrives with a delivery for Gran Torino and Izuku goes to fetch the delivery. The delivery turns out to be a new microwave as Gran Torino broke his old microwave during his mock battle with Izuku. Gran Torino decides to have breakfast, telling Izuku to set up the new microwave. After doing so, Izuku heats up his and Gran Torino's breakfast which is taiyaki. Izuku serves Gran Torino his taiyaki, however, the taiyaki is still cold. Izuku is confused as to why the taiyaki is still cold, to which Gran Torino tells Izuku that he didn't put the microwave's plate in properly and as a result didn't turn and only a part of the taiyaki was heated. Izuku suddenly realizes the next problem as to why he cannot control One For All; that he has only used One For All on one body part and not using it on his whole body. Izuku activates One For All and sends its power throughout his entire body. Gran Torino asks if Izuku can move while using One For All throughout his body, to which Izuku replies that he is not sure. Gran Torino then asked if he can test whether Izuku can move around while using One For All throughout his body. Which Izuku replies that he can test him.

Gran Torino tells Izuku that if he can move around while having One For All coursing through his body, then he will be drawing a clear line from how he was during the Sports Festival. Gran Torino says that their mock battle will be three minutes for starters. The mock battle begins and Gran Torino hits Izuku from behind, stopping the flow of One For All throughout Izuku's body. Gran Torino attacks Izuku from all directions while Izuku stands helplessly unable to counter. After falling to the ground, Izuku realizes that Gran Torino's speed is too fast for him to counter and decides to regroup. Izuku crawls under the couch and activates One For All throughout his body again. Gran Torino heads towards the couch, but suddenly, Izuku punches the couch away, sending it flying and stopping Gran Torino's attack. Now that One For All is flowing throughout his body, Izuku leaps into the air and nearly manages to hit Gran Torino, however, the elderly Hero manages to dodge in the nick of time. Gran Torino jumps forward and prepares to attack Izuku from behind, but Izuku dodges the elderly Hero's attempt by jumping into the air above him. Izuku, seeing that he is in a perfect position, sends a One For All enhanced punch at Gran Torino. However, the elderly Hero manages to dodge Izuku's attempt. Izuku starts falling down while Gran Torino leaps from the wall and strikes Izuku in his stomach, smacking Izuku down onto the ground and causing One For All to stop its flow.

Gran Torino sees that three minutes are up and ends the mock battle for now. Izuku laments on his lack of ability to keep the activation of One For All throughout his body properly. However, Gran Torino compliments Izuku's intelligence. The elderly Hero notes to himself that Izuku has dramatically changed in such a short space of time and compliments Izuku for being able to graze him (a cut is shown on Gran Torino's face) even though he was using his own power earnestly. Gran Torino states Izuku that he must get used to using One For throughout his body and informs him that they will continue training after breakfast. After breakfast, Izuku continues his training with Gran Torino.

Izuku continues his training in gaining proper control of One For All with Gran Torino for two days. It is the third day at 5:00 PM, Izuku is on the floor injured due to his training. Gran Torino decides to end Izuku's training in One For All, not wanting Izuku to become stale due to fighting him all the time. Izuku protests but Gran Torino denies Izuku's request to continue training in One For All. Gran Torino declares that they will move on to phase two which is workplace experience. Izuku cleans himself up and puts on his Hero costume. Izuku and Gran Torino leave the apartment. Gran Torino tells Izuku that fighting him all the time will make him stale and now wants Izuku to experience fighting in all types and kinds of situations. Gran Torino tells Izuku that they will be going on an exursion and calls for a taxi. In the taxi, Gran Torino explains that highly populated areas are where crime is rife, causing Izuku to ask if they will be taking a train to Shinjuku to which Gran Torino says they will. Izuku realizes that they will be crossing Hosu along they way and begins thinking about Tenya, worried about him and decides to contact him later.

The taxi takes Izuku and Gran Torino to the train station where they board a train that will take them to Shinjuku. The train passes Hosu. On the train, Izuku tells Gran Torino that they will arrive at night, to which Gran Torino replies that they will. Gran Torino explains that many villains appear at night and thus they will be able to get experience more easily. Izuku takes out his smartphone and sees that Tenya has read his message but did not reply. Suddenly, the train experiences an emergency stop and a Pro Hero comes crashing into the train, much to Izuku's and Gran Torino's shock. Immediately afterwards, a creature that looks similar to Noumu appears. Izuku tries to take action, but Gran Torino orders Izuku to stay put. Gran Torino jumps from his seat and slams himself into the Noumu-like creature, smashing the Noumu-like creature and himself out of the train and into the air above Hosu. Izuku goes to check on Gran Torino but sees that a part of Hosu is ablaze. Izuku wonders what is transpiring and starts worrying about Tenya's safety.

Izuku exits the train and starts running towards Hosu. In Hosu, Izuku witnesses the battle between the Pro Heroes and the two Noumu-like creatures. Izuku is surprised that Tenya isn't at the battle and starts pondering. Izuku quickly figures out that Tenya came to Hosu to find and hunt down the Hero Killer Stain. Izuku leaves the battlefield and searches for Tenya. Izuku manages to find Tenya in an alley where he is on the ground injured and Stain is about to kill him. Izuku activates One For All throughout his body, dashes at great speed, and punches Stain in the face, preventing the Hero Killer from finishing off Tenya. Izuku announces his arrival and declares that he came to save Tenya.

Izuku asks Tenya if he can move, but Tenya tells Izuku that he is immobilized. Stain praises Izuku for his efforts and then threatens Izuku. Izuku plans on what to do; two people are injured and require protection. Izuku decides that he must protect Tenya and the Pro Hero by trying to drive Stain away. Tenya orders Izuku not to get involved since his fight with Stain has nothing to do with him. Izuku responds to Tenya's order, saying that Heroes would not be able to do anything by following Tenya's logic. Izuku puts on a brave face and says that getting involved in other people's business is one of the principal qualities of a Hero, causing Stain to smile.

Izuku and Stain begin their battle; Izuku activates One for All Full Cowl throughout his body and Stain charges at the young Hero. Izuku manages to get close to Stain and runs through Stain's legs, evading the Hero Killer's katana and dagger. Stain counters by slashing at Izuku with his katana, but Izuku dodges by jumping into the air and above him. Izuku, above the Hero Killer, uses 5% Detroit Smash on Stain, delivering a powerful blow to Stain's head. Stain, unfazed by Izuku's move, licks his dagger and activates his Quirk, immobilizing Izuku. Stain, impressed with Izuku's actions, decides to spare Izuku but prepares to kill both Tenya and the Pro Hero. Izuku yells at Stain to stop but to no avail. Suddenly, two columns of fire and ice attack Stain, but Stain manages to avoid the attack in the nick of time. Shouto reveals himself and tells Izuku that he texted him more information than usual and came running. Izuku is surprised that Shouto showed up.

Izuku asks Shouto why he is here and is shocked that Shouto is using his fire power. Izuku watches Shouto's battle with Stain; Izuku warns Shouto to not let Stain get his blood. Stain jumps into the air and prepares to stab Shouto with his katana. Izuku realizes that he can move and activates One For All Full Cowl. Izuku, using enhanced jumping speed, appears before Stain and grabs him, attempting to throw him onto the ground. The Hero Killer retaliates by knocking Izuku away with his elbow, causing Izuku to fall onto the ground. Izuku informs Shouto that he could have been released from Stain's Quirk due to either the number of targets thinning the effect, how much blood Stain has ingested or blood types; Stain praises Izuku for figuring out his Quirk. Shouto tells Izuku that avoiding close quarters combat and holding out is their best course of action against Stain with Izuku agreeing with him, telling Shouto that he will draw Stain's attention while he acts as support.

Izuku and Shouto team up to battle Stain. Izuku activates One For All Full Cowl and tries to attack the Hero Killer, but Stain slashes at Izuku with his katana, causing Izuku's leg to bleed; Stain licks his katana and activates his Quirk, which paralyzes and immobilizes Izuku. Izuku apologizes to Shouto.

After Tenya breaks Stain's katana and kicks him away as well as in the process save Shouto, Tenya apologizes to Izuku for making him spill unnecessary blood, to which Izuku tells him not to worry. Izuku begins to feel movement within himself and gets up. Izuku activates One For All Full Cowl. Using his enhanced speed, Izuku jumps off Shouto's ice platform and heads towards Stain. Izuku punches Stain in the face with his enhanced might while Tenya attacks Stain with Recipro Extend.

Quirk
One For All - Izuku's Quirk grants him superhuman strength and greatly enhanced agility. Though he has yet to demonstrate superhuman speed, enhanced reflexes, and high durability on the level of All Might, he has shown that he has a type of mental connection to the previous users of One For All.

Moves

 * Detroit Smash: The same as All Might's move, except Izuku does it in the form of an uppercut.
 * 5% Detroit Smash (5% (パーセント) デトロイトスマッシュ): Izuku activates One for All Full Cowl, then jumps into the air, and delivers an enhanced downward punch to the opponent.
 * Delaware Smash: Izuku flicks his finger to create a powerful shock wave.

Techniques

 * One For All Full Cowl (ワン・フォー・オール フルカウル): This technique allows Izuku to activate One For All throughout his body, letting the power course and flow through him instead of concentrating it in one location. Activating this technique gives him slightly enhanced strength, speed, and agility. It also prevents him from breaking his bones whenever he uses One For All.

Intelligence
Izuku has proven to be exceptionally intelligent on many occasions. He has displayed keen skills of observation and analysis. It is usually his intelligence that has helped him more than his Quirk. He was able to formulate a strategy that helped him along with Tsuyu and Minoru to escape the villains at the flood zone in the USJ. Izuku also has extensive knowledge on Pro Heroes and their Quirks as well. His intelligence has allowed him to figure out One For All's mechanisms, allowing him to utilize the Quirk more efficiently in a short space of time. Gran Torino even complimented Izuku's intelligence, saying that Izuku is the type of person who thinks before he acts.

Equipment and Weapons

 * Aabot.jpg with his metal sheet.]]Metal Sheet (Sports Festival) - This was used to attack the the robots in the Sports Festival. Also he used it to slam hidden mines to propel himself forward.
 * Jet Pack (Sports Festival) - This equipment was given to Izuku by Mei during the second part of the Sports Festival.

Battles
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Entrance Exam Arc

 * Izuku Midoriya & All Might vs. Unknown Enemy: Lose (Win for All Might.)

Battle Trial Arc

 * Katsuki Bakugou vs. Izuku Midoriya: Lose

Ultimate Space & Jams Arc

 * Izuku Midoriya, Tsuyu Asui & Minoru Mineta vs. Villains: Win
 * All Might, Izuku Midoriya, Katsuki Bakugou, Shouto Todoroki & Eijirou Kirishima vs. Villain Alliance: Win

Sports Festival Arc

 * Izuku Midoriya vs. Hitoshi Shinsou: Win
 * Izuku Midoriya vs Shouto Todoroki: Lose

Field Training Arc
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 * Tenya Iida & Izuku Midoriya vs. Stain: Ongoing

All Might
Izuku has always admired All Might since he was a small child and wanted to be just like him.

After earning All Might's respect after he just ran toward the slime monster, a mentor-student relationship bloomed between them and choose him as his successor as the "new" All Might. While All Might's training on Izuku was rough, the latter continued to give it his all. They grew closer as All Might listened to his resolve of training more than he has to become a great hero, impressing the hero.

All Might is his confident, mentor, friend in and out of school and they share a mutual respect for each other's heroism ideals.

Katsuki Bakugou
Izuku and Katsuki have known each other since they were very young, but they cannot be considered friends. Upon being bullied by Katsuki his whole childhood and hating his guts, Izuku began to admire everything about him, as Katsuki had everything that he didn't. Ever since the end of the Battle Trial Arc, Izuku has not spoken to Katsuki on friendly terms due to Katsuki considering Izuku his arch-rival. Despite Katsuki's antagonism towards Izuku, Izuku still has respect for Katsuki.

Ochako Uraraka
Ochako was the first new person Izuku interacted with when he first came to Yuuei. They get along very well and their discussions are always really bright and friendly. It is implied that Izuku has a crush on Ochako, as he constantly blushes when ever she is with or near him and even started to like his once a demeaning nickname "Deku" when she said she liked the nickname. At the Sports Festival, Izuku was moved to tears to see that Ochako would team up with him even though he is worth a huge amount of points. Before Ochako's battle with Katsuki, Izuku offered to give her a strategy against Katsuki. When Katsuki accused Izuku of helping Ochako strategize against him, Izuku defended Ochako, saying that the strategy she used against him during their match was her doing.

Tenya Iida
Izuku first thought that Tenya was a scary guy and that they wouldn't get along together, but as he got to know him better, he found out he was a very nice guy and they ended up becoming friends. They are usually seen together having friendly discussions. Izuku resigned as Class President and named his successor Tenya, knowing that he has better leadership qualities than him. After Tenya was defeated by Shouto, Izuku was saddened to see his friend lose.

Tsuyu Asui
Tsuyu respects Midoriya for his heroic actions as well as his victory against Bakugou. During the Rescue Trial Arc, she was receptive of Midoriya's plan to subdue the swimming villains, showing not only respect, but also trust. After Shouto defeated Izuku in the Sports Festival, Tsuyu went to Recovery Girl's office to see if Izuku was fine or not.

Shouto Todoroki
Shouto sees Izuku as his arch rival due to him having connections with All Might (a person with whom his father has a major rivalry). Izuku, on the other hand, has a lot of respect for Shouto, admitting that Shouto is far stronger than him. After hearing Shouto's tragic backstory and seeing his sadness, Izuku started to show sympathy for Shouto's pain and resolved to help Shouto overcome his dark past by getting him to use his fire power, telling Shouto that the fire power belongs to him and not his father. Although Izuku lost to Shouto while trying to help him, Izuku's actions did have an impact on Shouto, as he has stopped rejecting his fire power.

Trivia

 * Izuku's nickname, "Deku", was given to him by Katsuki when they were little. "Deku" is another reading of his name 出久, and Bakugou uses it to mock Izuku, as "Deku" can mean "the one who can't achieve/do anything". Later, Ochako finds the nickname very inspiring because "Deku" gives off a feeling of "I can do it".
 * He's student no.18 in Class 1-A.
 * He ranked 7th during the Entrance Exam and last for the Quirk Apprehension Test.
 * Izuku's favorite food is Katsudon.
 * He has a tendency to ramble his thoughts out loud.
 * The cover of chapter six that details Izuku body state that his tear glands gives his sweat glands a run for their money and the chapters of the manga show this to be true.
 * He was first planned as an adult.
 * Izuku's blood type is O.

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