Stain, also known as Hero Killer Stain, is a character from the anime and manga series "My Hero Academia." He is a villain with a strong sense of justice, although his methods are extreme. Stain believes that true heroes should embody selflessness and be willing to risk their lives for others, rather than seeking fame or monetary gain. He despises heroes who prioritize these things over saving people, which is why he targets and attacks "fake" heroes. Stain's ideology and actions make him a come