Spirit

Spirit (Voiced by Matt Damon) is the main hero of the movie of the same name. He's a Kiger Mustang who lives with his mother and the other wild horses until he got captured by soldiers and send to a Calvary base to become a Calvary horse but he resist every rider to try to tame him, until the general suggest trying him to a pole for 72 hours without food or water to weaken him. It works until a Native American named Little Creek help Spirit escape the base and meet Rain. Spirit and Rain became friends and even something more, Suddenly, the military attack Little Creek's tribe and Spirit got recaptured and send a railroad to pull a steam engine up a hill. He soon discover that they plain an building the railroad to his homeland and sabotaged the entire operation while freeing the other wild horses. He is rescued by Little Creek, and after a chase with the military, Little Creek let Spirit return home along with Rain.

Trivia:

 * Spirit is the only Dreamwork character who can't talk from his mouth.
 * Jaden and Jeffrey can understand him since they can talk to animals.