Fan Casting Underdog

This Reboot Is About Shoeshine, a clumsy, but Helpful dog, who found an Intergalactic ring from a meteor. When He wears it, He gives himself Superpowers. However He learned that a Scientist and Mayor Candidate Simon Bar-Sinister Secretly Plans to Steal the Ring to Use its power for Armageddon, Even Tricks The P.I. The Hunter to "Arrest" Him. He, and His Childhood Friend, Polly Purebred, Have to Keep the ring from the Wrong Hands. This is a Fan Idea i Thought of. It would be a reboot of the Disney film no-one likes. Decide who should be in This Movie, and Tell me How it should be. You May Comment on The Roles.