Despite his short size, he has a lean, muscular build to him. He wears a white headband that conceals his Jagan Eye, which is placed on his forehead and has a purple iris. His eyes are crimson (blood red). He has spiky black hair, and white streaks above his bangs. His skin complexion is regular peach-tanHiei prefers to keep his distance from others, so he often comes across as aloof and elusive. He has a rather cynical and even misanthropic view of the world around him.