Very twisted,malevolent and warped personality.He doesn't care for his or almost anyone else's life,having no qualms about performing evil deeds like murdering innocent people.Shigaraki's quirk is known simply as 'decay',as the name implies,it is a quirk that allows its user to decay or destroy anything that they lay their hands on. he is from the MHA fandom Grey messy hair,red eyes,dark circles around eyes,tall slim thin body. Villain who fight against the heros. Ran away from home as kid.