my 2nd video in this series. Enjoy!
Goku was a low class Saiyan that was sent to destroy Earth. His father, Bardock, was disappointed when his power level was only 2.
When he was sent to Earth, he bumped his head and got a case of amnesia. He was pure hearted from then on. He was adopted by Grandpa Son Gohan, who was his first trainer. He accidentally killed his "grandfather" when he turned into an Oozaru (by looking into the moonlight).