I wanted to clear up a few things from the original post:
YRQRM0 wrote:Superman can survive a bullet to the eye at point-blank, so he's not exactly human.
Of course he's not human, he's Kryptonian.
YRQRM0 wrote:Buu can always regenerate, he never gets tired. Buu can also blow up a planet
Not necessarily. A planet-powered Spirit Bomb made sure he didn't come back. He was only reincarnated because Goku asked for him to be.
YRQRM0 wrote:The pheonix on the other hand can't breathe in space....
Yes she can.