Chizome Akaguro (赤あか黒ぐろ血ち染ぞめ, Akaguro Chizome?), also known as Hero Killer: Stain (ヒーロー殺ごろしステイン, Hīrō Goroshi Sutein?), and formerly Stendhal (スタンダール, Sutandāru?), was a villain and former vigilante that was notorious for having killed many Pro Heroes.
