Katsuki is a crude, arrogant, short-tempered, hot-headed, aggressive person, he’s very stubborn, condescending, caustic, and fiery. he's casually foul-mouthed; violent; very strategic in battle; aloof; respectful of those who give him a challenge. He tends to come Off as unheroic, bold, blunt, and casually insults those he doesn’t respect. Even though He has good grades.