Katsuki has a characteristic appearance. He has sharp Katsuki has pale skin, blond, ash-yellow spiky hair sticking out in different directions, constantly furrowed eyebrows. Red, piercing, scarlet eyes. He has a toned, muscular body, broad shoulders, a narrow waist, strong arms. Katsuki is a crude, arrogant, short-tempered, and aggressive person. Katsuki's quirk is to create explosions from his hands. His sweat contains nitroglycerin, which helps create explosions.