Beaver Joe
Biographical Information
Gender Male
Ability Rockswim
Personal Information
Status Alive
Affiliation Esper Underground Arena
Media Information
Manga Debut Chapter 43
Image Gallery

Beaver Joe is an esper beaver that was imprisoned and forced to fight in the "Esper Underground Arena".


Beaver Joe has the appearance of a normal beaver.


While in the "Esper Underground Arena" Beaver Joe is shown to be particularly violent and ruthless, having no qualms about killing a pleading Yasai Kuuka or using the arena announcer as a human weapon to hit Rinka Urushiba.


Rockswim: Beaver Joe, by the Glowing Fish, has been given the ability to control and manipulate rocks. He mainly uses his powers to clad himself into a enormous lizard-like rock armor and to launch a barrage of rocks towards his target at great speed.