Ado Mizumori

His goal is to help the weak and defenseless, but his saving a mouse makes him the most wanted in all the land. On the run from incessant, dim-witted mice, Perro befriends a young miller's boy, Pierre; together, they decide to seek fame and fortune. When they cross paths with the lovely Princess Rosa, Perro determines to get Pierre hitched to Her Royal Highness.

Pero is back in Go Go Town, a fearful place in the Wild West that desperately awaits for a sheriff to come. In this town of no law and order, Pero and a boy named Jimmy try to help Annie, daughter of a saloon owner who has just been killed.