Uub is a supporting character in the Dragon Ball Z anime series. Uub is the human reincarnation of Majin Buu and prized pupil of Son Goku. During the competition between Universe 6 and 7, Goku makes the request to King Yemma to bring Majin Buu back, but to his surprise, Majin Buu had been reborn as a human child already. Because Uub is the reincarnation of Majin Buu, he unknowingly also holds the Grand Surpreme Kai’s power.