Raditz is a saiyan who followed Frieza's orders. Raditz is Goku's brother, Bardock's eldest son, uncle to Gohan and Goten, grand-uncle to Pan, and great-great grand-uncle to Goku Jr.. He was first came to Earth to find Kakorot (Goku). But he confronts Piccolo and overpowers him easily. He confronts Goku at Kame House and easily defeats Krillin and Goku.