 hero, strong, not ugly, admittedly a bit of a hot head. But he'd never considered himself an idiot. He was alway at the top of his classes. On the field he could formulate a plan to stop an attack in mere seconds. Katsuki is a crude, arrogant, short-tempered, and aggressive person, especially at the beginning of the series. Katsuki tends to come off as unheroic; this problematic behavior going all the way back to his early childhood days when he was known to bully a young, Quirkless, Izuku Mido