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Gasmask Cowboy

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Gasmask Cowboy (ガスマスクカウボーイ, Gasumasuku Kaubōi) is a C-Class Rank 141 professional hero for the Hero Association.


Gasmask Cowboy is a man of average height, wearing a cowboy costume with a gasmask over his face.


Hero Association SagaEdit

Rumored Monster ArcEdit

Gasmask Cowboy converses with several other heroes about the rumored monster. Gasmask Cowboy and many other heroes decided to head to Z-City to investigate the rumored monster of the city after defeated Golden Ball and Spring Mustache were defeated, but he came to the scene after it was already beaten by Saitama

Appearances in Other MediaEdit


Pork Cutlet BowlEdit

He was one of the many heroes which tried to attack the monster that was devastating a police station in order to get a lot of credits, since it was an important emergency. However, he arrives at the scene when Saitama has already killed the monster.[1]

Abilities and PowersEdit

Like most C-Class heroes, Gasmask Cowboy seems to prefer to combine strength against emergencies, rather then fight them alone, as he was seen most of the time with other C-Class heroes.


Lasso: He was seen wielding a lasso and is presumably skilled in wielding it.

Revolver: He has a holster on his left side of his belt with a gun presumably a revolver.


  1. Pork Cutlet Bowl


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