Don Horror (Takeshi Watabe, Shōzō Iizuka in some episodes) is a monstrous six-armed idol-like being who is the leader of the criminal organization Makuu. This powerful villain wants to erase Earth, the obstacle that prevents his conquest of the universe, and is ready to use any means to destroy it. He lives in the Makuu castle which flies in the Makuu domain/tunnel. He is immobile throughout; how he gave birth to a son by Kiba is a mystery that remains unsolved.