Mushroom

Mushroom (マッシュルーム Mashiyurumu) is a B-Class superhero from H-City. He/she is in charge of this area together with Horse-Bone. His/her rank is unknown.

Appearance
Mushroom's full appearance is unclear. It is also unknown if Mushroom's gender is male or female. His/her height seems rather short and his/her hair is bowl-shaped. He/she sports a black mask, covering the eyes only.

Rumored Monster Arc
As the higher-ups of the Heroes Association discuss the status on the cities, Mushroom was mentioned as a superhero in charge of H-City. His/her report on the city was "all quiet here".