Goku's Character info          

Goku is from the planet Vegeta his father was Bardock . His father got killed fighting Frieza. Goku was born in 737 A.D on planet Vegeta and came to earth to destroy all the earthlings living on it and prepare for Frieza's arrival . Later on Goku forgot his mission, because of falling of a cliff. He is a full blooded Saiyan but he refers to himself as a Saiyan raised on earth. In year 756 A.D. he marries his wife Chi Chi, and in May of 757 A.D. Chi Chi gives birth to their first child Gohan one of the strongest Saiyans. In May 767 A.D. the second child is born after Cell is killed, his name is Goten. Goku died when he teleported Cell to King Kai's planet so that Cell would not detonate himself,  killing every one on earth. Goku becomes the first Super Saiyan in the Frieza Saga.