Ainu Tribe

The Usui Family(碓氷,Usui-Shi) is a fictional family in the Shaman King universe.

Usui Lycan
He's the father of Horokeu and Pirika. Apparently, he is the head of his tribe in Hokkaido. He's a shaman, and his guardian ghost is Gororo, who is the head of the Kuroppokkuru.

Usui Horokeu
Better known as Horohoro, he's a young boy from Hokkaido, Japan. He´s the big brother of Usui Pirika, and the son of Usui Lycan. He's a shaman from the Ainu tribe. His guardian ghost is Kororo, a Kuroppokkuru.

Usui Pirika
She's the little sister of Horohoro, and the daughter of Usui Lycan. She's a shaman of the Ainu tribe. Her guardian ghost's name is Torara, a Morimo.