Katsuki is a crude, arrogant, short-tempered, and aggressive person. He is extremely arrogant and condescending to those around him. Katsuki is very fierce and competitive as well. very intelligent and extremely perceptive. Katsuki also possesses surprising talent in other areas, such as cooking and music, even though he doesn't show a particular interest in them. Katsuki is smart enough to discern who his enemies and allies are.