Son Goku is shipped to planet Earth as a baby within the starting of the earth Vegeta is to destroy all life on Earth, since Son Goku, UN agencyse real name is Kakarot and low category human fighter who has the ability below the common of the opposite Saiya baby, then Son Goku was sent to destroy life on the earth within which there's nearly nobody UN agency encompasses a high combat power. Son Goku is predicted to destroy life on Earth in only a number of months, as a result of once the total moon arrives Saiya nation will show the important power they need.
But once it arrived on Earth with the shuttle for the primary time, Son Goku was found by Associate in Nursing recent man UN agency has no family, named Son Gohan. At first, Son Goku may be a terribly naughty boy unruly and infrequently violent till in some unspecified time in the future the accident occurred, the Son Goku fell into a valley that resulted in injuries to his head and build Son Goku forget the most purpose on Earth.