@MisterShin: Dude, what? There are three major things wrong with that list:
- Future Trunks is way more powerful than Piccolo, probably as a regular Super Saiyan, but even if you argue against that Trunks is undeniably more powerful as an Ascended or Ultra Super Saiyan.
- Goku was confident that he could easily defeat Piccolo Buu, so that Buu can't possibly be more powerful than Kid Buu.
- Gotenks? More powerful than Goku and Kid Buu? He couldn't even beat Super Buu.
Also, Fat Buu is not equal to Super Buu in any way, Super Buu is a more powerful version of Buu, with Fat Buu absorbed on top of that. He has the power of two Buus.