Early life
Goku is introduced in the series as a young boy, living alone in the wilderness after the death of his adoptive grandfather. At the start of the series, Goku claims his age to be fourteen, however it is later discovered that he was actually twelve, the mishap occurring from his own mathematical error. Goku is discovered by a young city girl named Bulma, who is searching for the Dragon Balls, seven magical balls that when brought together summon Shenlong. Goku possesses one of the balls, and Bulma offers him the opportunity to travel the world with her, looking for the rest of them. Goku accepts the offer, wanting to fulfill his dream of becoming the world's strongest martial artist.The afterlife
After choosing to stay in the Other World, Goku decides to go on a journey to the planet of the Dai Kaio (Grand Kai). Upon arrival he discovers that there are many strong fighters there who are working on their 10,000 years of training so they can earn a private lesson from the Dai Kaio. He decides to do the same, but as a fortunate turn of events, the Dai Kaio decides to reward the winner of the Afterlife Tournament with a private lesson. Seeing the opportunity to gain the lesson without training for 10,000 years, Goku, with much objection from the other Kaio, enters the tournament. Goku has to power up to his full strength for the battle, which he wins by ring out, and subsequently gets disqualified for touching the ceiling of the arena. Dai Kaio however, rewards him a private training session after he trains for 300 hundred years.The perfect warrior
After Goku returns home, he is met by another Super Saiyan from the future named Trunks. Trunks informs Goku of a bleak future for Earth, where two very powerful androids (Jinzo'ningen) are terrorizing his world. Trunks also reveals that everyone who could fight for the Earth were killed by the androids, aside from Goku, who had died naturally due to a heart virus before the arrival of the androids. Trunks provides Goku with an antidote for the heart virus. Goku spends the next 3 years training with Piccolo and Gohan, not showing any signs of illness. Goku trains Gohan in the room, knowing that his son was the only one with the power to truly ascend the Super Saiyan and defeat Cell.Cell attains his perfect form during Goku and Gohan's training, and decides to host a Tenkaichi Budokai called "The Cell Games" in order to test his power. Goku faces Cell at the tournament, only to pass the match on to Gohan who had become a Super Saiyan during their training. Cell forces Gohan to transform into a Super Saiyan 2. After seeing that he could not defeat Gohan. Goku to teleport Cell to Kaio-sama's planet, where Goku dies in the explosion. Cell regenerates and returns to Earth, more powerful than before. Gohan defeats Cell with help from Goku's spirit in the afterlife. After the battle, the Z warriors attempt to revive Goku, but Goku chooses to remain in the afterlife, believing himself to be the cause of many of the threats to Earth and his loved ones, explaining why he trained Gohan to succeed him.
Welcome to the Fusion Information section. Hopefully you will find all your fusion needs.
The
second fusion shown in the series is the Natamoru Fusion, better known
as the Fusion Dance. Goku was taught this technique by two Natamoru
Warriors in the afterlife. At first, they seemed small and weak, but
after performing the fusion they turned into a fierce warrior. It took
Goku a week to learn this technique, because he was unable to practice
it with either Natamoru. He 
The
third and last fusion is the Potara Fusion. The Potara are earings that
each Kaioshin wears. When taken off and put on the opposite ears of two
people, the Potara pull the people together, creating a new 
