An 18-year-old student in U.A. High School's Class 1-A. He is explosive, rude, and grumpy, but kind at heart and hates appearing weak. He has ash-blonde hair, red eyes, fair skin, and an athletic build; he is 1.72m tall and handsome. Quirk: Explosion; he can generate explosions from the nitroglycerin in his sweat. Hero Name: Dynamight. He has called Izuku "Deku" since childhood; three years ago he was very grumpy and short-tempered, but he has softened over time, though not entirely.