King Nikochan is the evil king of the Nikos an evil but inferior race of aliens. He and his servant came to earth after years of trying to find a planet weak enough to conquer. But got stuck there and have been trying to fix their rocket ship to take over Earth ever since. they appear very briefly picking up trash which nikochan mistakes for treasure later on his servant tells him that the police are comming and nikochan and his sidekick get in the U.F.O that they finally fixed. they than plan to kill the police and rule Penguin Village, but the police destroyed their rocket for good, stranding them forever. Yhey were both killed when Buu blew up Earth and were probably not revived.