He lives on a planet at the end of Snake Way. The planet has stronger gravity then earth. He lives with a Bubbles a monkey and Gregory a bug. He taught Gokou the Kaiou-ken technique. He first meets Gokou when he died fighting Radditz with Piccolo when he took snake way. He was preparing him to fight Vegeta and Nappa the two saiyans coming to desttoy earth. I believe the highest Kaiou-ken technique Gokou achieved was 20x. Also taught Gokou how to use the Spirit Bomb, a devastating fireball which can be over 50 meters wide or just a few feet wide. Both pack a punch. His first job was to catch Bubbles. It was really hard from him because the gravity was 2 times the gravity as Earth's. Next he needed to hit Gregory with a hammer. Gregory is very fast.Some other students that trained under him were Piccolo, Tien, Yamucha, and Chaozu. At the end of his training King Kai gives him new cloths and his symbol