Dupli-Arms ( (ふく) (せい) (わん) Fukuseiwan?) is a Quirk used by Mezo Shoji.


Dupli-Arms grants Mezo arm-attached tentacles that can replicate parts of his body.[1]

Mezo is stated to be capable of reproducing any of his body parts, including ears, eyes, mouths, hands and so on, with said parts taking form through pods located at the tip of each of his tentacles.

The duplicated parts are actually enhanced versions of the original ones, granting Mezo improved strength and senses. Different parts can be manifested at once too, allowing Mezo to combine his augmented sensory abilities.

It's worth noting that the tentacle pods responsible for replicating Mezo's body parts can do the same with themselves as well.

The tentacles, just like any part of Mezo's body, are vulnerable to injuries coming from enemy attacks.


With this, it makes Mezo excellent for spying and stake out missions.

Additionally, the tentacles can make more replicas outside of the one's sprout. One tentacle root can produce multiple separate organs, but doing so makes the duplicates less efficient.

Mezo also has the ability to glide through the air thanks to the fact that his tentacles are webbed.[2]


  1. My Hero Academia Manga: Chapter 11.
  2. My Hero Academia Manga: Chapter 79.

Site Navigation

*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.

Fandom may earn an affiliate commission on sales made from links on this page.

Stream the best stories.

Fandom may earn an affiliate commission on sales made from links on this page.

Get Disney+