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Water Gun (ミズテッポウ, Mizuteppō) is a C-Class hero of the Hero Association.


Water Gun wears a black wetsuit, swim goggles, and a white water polo cap. His cap and wetsuit have the kanji for water (水, Mizu) written on them.


Human Monster SagaEdit

Super Fight ArcEdit

Saitama encounters Water Gun lying on the ground. Water Gun tells him that he was defeated by a monster and that the monster left 30 minutes ago.[1]

Abilities and PowersEdit

Water Gun's combat ability is unknown. However, as a C-Class hero, it can be assumed that Water Gun is not a powerful hero.


Water Gun: Water Gun's signature weapon. It is attached to his backpack.


  1. One-Punch Man Manga; Chapter 76, page 12-13


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