Katsuki has spiky ash blonde hair and ruby ​​red eyes. He is 1,72 m and he has a muscular body, with tiny hips. Quirk: Explosive Destruction, Katsuki's palms secrete a sweat with nitroglycerin-like properties, which he can use to cause explosions. Katsuki is a truly crude, violent, arrogant and aggressive person and his attitude resembles that of a young delinquent. Brutal and bloodthirsty, even if he cares a lot about certain people, giving them more importance but also not showing it.