First Monkey King : Wukong

He was the first monkey king as his title say so. Unifiying all of the monkey under a common ground, The monkey kingdom. After hundreds of years as a king he got tired it and decided to wander the realms of the sages and the one of the humans. But after a while he was cursed by the gods to reincarnate forever because that he stole a godly mineral that he used to make the Ruyi Jingu Bang. Now everytime he is reincarnated he is in a new body and doesn't remember anything of his past.