Hah! Bet you thought I was going to say Blue Steel or Mynx and you all were going to say, 'already added!'
Well, we forgot one: Doctor Brainstorm.
Only a few posts remain of his heyday during the rollout of I9 and Inventions. But, he may be back since he's the driving force (backgroundwise) behind Powerset Proliferation. (We'll see if Matt reprises the role.)
I don't suppose they'd be any interest in digesting SuperModerator for the lulz, now, would there?