Wait, I figured out what I'd do
1.Start world war three 2.revive a immortal hitler 3.gas the Jews 4.create a hellish dimension for all who defy me 5.live a perfect life as the merciless ruler of the universe.
I'm a horrible person :D
Please tell me you wouldn't really do this stuff and you are just joking. If not, you sound like a... well, I'll keep it to myself. I don't want to be banned.
EDIT: I was reading through my own ideas and realized I didn't have any room to talk about being a jerk. Still, you don't think you can make one good universe?