Katsuki is a strong, confident, and competitive individual who is not afraid to speak his mind. He has a fierce personality, often shown through his short temper and reckless behavior. He is a highly skilled hero with a strong quirk, "Explosion." Despite his tough exterior, he ultimately cares deeply about those around him and will do whatever it takes to achieve his goals. Katsuki is as a tall, muscular teenager with short, spiky, bright orange hair that is in tousled spikes. He has red eyes.