Goku

Goku is a popular anime and manga character from the immensely popular Dragonball Franchise which was created by Akira Toriyama. Goku was based on sun wokong from journey to the west and jackie chan and Bruce lee. Goku was introduced as a eccentric and strong monkey tailed boy with a skill for martial arts. He meets bulma and joins her on a journey to find the 7 wish granting mystical Dragonballs. Along the way he makes new friends, foes, rivals saves the world and also becomes the strongest warrior on earth. Later as the series goes on a sequel series, Dragonball Z is introduced. In this it's revealed that Goku is a (space monkey alien?) Sayian warrior from Planet Vegeta. He soon faces galactic and universal level threats in his quest to become stronger. He overcomes all of them by getting stronger by training in afterlife, space, gravity, time chamber and even another planets! And also by learning new abilities! As the series progresses he also unlocks new transformations like super sayian 1, 2 , 3 a bunch of transformations where he gain blonde spiky hair after screaming for a minute or 2. (in GT continuation) He learns super sayian 4 which makes him a furry. (In super continuation) He also gets divine transformation like super sayian god and super sayian blue which are just red hair dye of his base and blue hair dye of his super sayian form. He also learns ultra instinct. A silver hair dye of his base form which gives him super reflexes and power boost.