Ushio Aotsuki

The son of a temple priest and a lady shaman, destined to wield the Beast Spear and defeat the yokai Hakumen no Mono. He is very kind-hearted and greatly values all life and friendships. With his ideals, he manages to unite the forces of mankind and yokai against Hakumen through his example and his fighting partnership with Tora. Ushio loves Asako and cares a lot for Mayuko, and will promptly appear to save them from yokai attacks.

(Source: Wikipedia, edited)