Toramasa Kobayakawa (小早川 虎正 Kobayakawa Toramasa?) is an anime-only character who was original mentor of Furinkan High School, and now runs a hidden shop in the old section of the school. He is extremely knowledgable about the secrets of every student and staff member at Furinkan High, including Ranma's Jusenkyo curse and the Principal failing English.