Katsuki is a young man of average height, with a slim, muscular build, and a fair skin tone. He has short, spiky, sandy blond hair with choppy bangs that hang over his eyebrows. His eyes are sharp and bright red in color.He has the standard UA uniform, though, his pants sag and his uniform top is a bit unbuttoned. Determined and thirsty for victory, Katsuki smiles eerily in arguments Katsuki is a crude, arrogant, short-tempered, and aggressive person. He also has orange and silver colored braces