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Game-Berus (ガメベロス, Gameberosu, Viz: GameBeros) was a Mysterious Being who attacked the first Hero Costume Contest. He was killed by Saitama.[1]



Full appearance

Game-Berus was a giant sentient turtle-like creature who had three heads and a shell, characterised by a muddy green-ish color. It could stand on its hind legs.


He was formed when his owner flushed his pet turtle down the toilet, and subsequently combined with other creatures in the sewer.


Not much is known about him, but he seemed determined to drown humans in sewer water.

Appearances in Other MediaEdit



Game-Berus interrupts a hero costume contest before Saitama can get a final verdict. After easily defeating B-Class and C-Class heroes, he declares that he will drown humans in sewer water. He is then defeated by a punch from Saitama after charging at the judges.

Power and AbilitiesEdit

As a Demon-level threat, Game-Berus was quite powerful. C and B-Class heroes were unable to do anything against him and the S-Class hero Genos even praised the monster after Saitama killed him, claiming Game-Berus definitely wasn't weak.


Saitama stops Game-Berus from killing Torajirou

Superhuman Durability: Game-Berus had a very tough shell and skin, as the B-Class hero Darkness Blade was not able to deal any damage to him.

Superhuman Strength: Game-Berus had enough strength to effortlessly smack aside various C and B-Class heroes, including Darkness Blade whose armor was easily broken with a single hit.

Spherical Form: Game-Berus could roll into a ball to attack others with greater speed and power than his regular strikes.


  • His name is a reference to the classic Daiei movie monster Gamera. It could also be a portmanteau of Gamera, a corruption of the Japanese name for turtle (kame) and Cerberus, the three headed dog that guards the underworld in Greek mythology.


  1. Taste


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