From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Sarta (サーテ, Sāte) is an alien.
Sarta's Japanese name is a pun on the word Sate, or Satay on English.
Sarta appeared in "Tournament Begins". He was formerly from the Northern Galaxy and "bravely protected his planet from meteorites, 3600 years ago" according to North Kaio, his trainer. Throughout the Anoyoichi Tournament, he recognized Son Goku's amazing fighting abilities.