AGolden Kamuycharacter. He andNikaidou Youheiare identicaltwinbrothers. Over the course of the story, Kouhei has lost both of his ears, one arm, and one leg; he usesprostheticsfor his missing limbs.Following Youhei's death, he kept one of his severed ears tied to a string around his neck, talking to it as though it were his brother's. He later had it attached to a headpiece byEdogai Yasaku.