Iouzan

Iouzan is a father of two sons and a potential successor to the throne of the beast world.

~!Near the end of the movie, Iouzan battles Kumatetsu to see who will become the new lord. Iouzan loses.

Later on, it is revealed that his son Ichirouhiko is actually a human boy and not a beast. Iouzan found him in the human world and decided to keep him.!~