The Lion King
Tricked into thinking he killed his father, a guilt ridden lion cub flees into exile and abandons his identity as the future King.
Kung Fu Panda
In the Valley of Peace, Po the Panda finds himself chosen as the Dragon Warrior despite the fact that he is obese and a complete novice at martial arts.

Kung Fu Panda: Secrets of the Furious Five
Ordered to teach a martial arts class of rambunctious bunny kittens, Po tells stories of each of the Furious Five's pasts.