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Professor Gearbolt backdrop 1

Professor Gearbolt

Professor Gearbolt

About Professor Gearbolt

A commander of the demon castle.

Content compiled by AnimeList.moe from publicly available sources.

Anime Appearances1

Maoujou de Oyasumi

Maoujou de Oyasumi

Supporting Character

Manga Appearances1

Maoujou de Oyasumi

Maoujou de Oyasumi

Supporting Character

Voice Actors2

Ootsuka, Houchuu

🇯🇵Japanese

Sleepy Princess in the Demon Castle

Williams, Kent

🇺🇸English

Sleepy Princess in the Demon Castle