Koyama

Affiliations: Kouzuki Family Residence: Wano Country

Koyama, as named by Kouzuki Oden and his retainers, is a white boar and the child of the Mountain God that lived in the forests of Wano Country as late as thirty years ago. In what became known as the Mountain God Incident, it was kidnapped from its parent and later stolen by Kin'emon.

(Source: One Piece Wiki)