Amiba is a villain in the manga and anime Fist of the North Star. He is a self-proclaimed knowledgeable, he trained in Nanto Suichō Ken under Rofū, but having failed to become successor he turned his attention to Hokuto Shin Ken. When Toki refused to share his knowledge with Amiba, he began experimenting by himself and almost killed an elderly man with his efforts. For this blunder he was scolded by Toki and subsequently swore revenge on both Toki and the Village of Miracles.