Kajika

As a child, Kajika was very evil. His greatest known evil was chasing after a defenseless fox and smashing it with a giant rock. Upon being killed, the spirit of the fox's mother cursed Kajika and Kajika was turned into a fox-man (instead of a fox). Kajika was then kicked out of his village and the only way to break the curse was to save the lives of 1,000 life forms.