Goku is a saiyan hybrid, being half-human and half-saiyan. He is the adoptive grandson of Grandpa Gohan, the elder brother of Raditz, the husband of Chi-Chi, the father of Gohan and Goten, the grandfather of Pan, and later great-great grandfather of Goku Jr.The story of Son Goku, a powerful boy who fought animals while doing fighting games with his friends This fun dragon ball z t shirt is one of a kind. It was designed to look like Goku and his Dragon Ball Z friends! Perfect for fans of the hit series.