Gojin is the son of Goten and Velice and is the father of Goku Jr. making Pan Goku Jr's cousin on his dad's side rather than his grandma. He can go Super Saiyan 1,2,3. As a Super Saiyan 3 he defeated Fridga. He was trained by Goten and became the world's youngest Super Saiyan at age 6. He was much like Goha, he had so much hidden power he couldn't even control the power. Gohan Jr. is his cusion.