@batmannflash: True. Too lazy to make changes so I'll just leave it as so lol.
@ultrastarkiller: I know he's already up there lol. I meant he's 12th level intellect so he should put number 1. it's okay, it's your list. Honestly all this stuff is pretty subjective and could go either way.
Depends, Connors is more scientific. While Nigma is a criminal mastermind, problem solver, extremely clever, and a great detective.
Thanks man and I didn't put Brainiac cause he's an AI.
nice list, though I would have to disagree with some of these. I would put Cyborg last on this list. And you're forgetting Professor Ivo...he made AMAZO! And Brainiac has 12th level intellect so he should be number 1. I would also put Bruce Banner at number 7, over Tony, by a slight margin. Even Stark has stated that Banner is smarter, IIRC.
Also, if you ever expand this list, you should add Barbara Gordon, Peter Parker, Beast, and Riddler.