Ultimate Buu is absorbed all of evil characters to mix together to powerful. When Super Buu abrosbed Frieza (Full Power), Cooler (5th form), Bojack (Full Power), Perfect Cell (Super Perfect), Super Hatchiyack, Super Janmeba. Super Buu power up to new form mix with all evil characters together to very powerful. Who can beat him? Gogito (Between Super Saiyan 3 and Super Saiyan 4) can defeat him.