Voice actor/Seiyu: Hiyama Nobuyuki

Birthplace: Koorime Valley, Makai

Family: He's got one twin sister, Yukina, the only one in his family that he cares for due to the fact that he was abandoned by his parents as a child.

Powers: Black Spirit wave; Jagan sensory/Third Eye; Kokoryuha/Black Dragon Technique; skilled with the katana.

Interesting Fact about him: Hiei is a weilder of the Jagan or Third Eye. He got it to help find his sister.

Role in the Series: Part of the Reikai Tantei team, he helps Yusuke and the rest throughout their missions. Being a Forbidden Child he hardly shows any sentimental emotion and refuses to admit that he cares for his friends. But deep inside they all know he does.

Best Friend: Kurama