created by Bibi-di for destruction. He defeated most of the Kaiou-shins and was cursed into his fat form. Years later, he was unleased again by Babi-di and sent to destroy Earth. Boo went through various form changes (after absorbing good Boo, SSJ3 Gotenks, Mystic Gohan, Piccolo, and Vegitto) and even split into two beings.Fat Boo joined the good guys. The evil Original Boo was killed by Gokou and reincarnated into Ubuu