Oh like you thought it'd be anyone different. It had to be the Question.
Just look at the guy, he has a faceless mask, rumpled coat gloves and a suit you could be buried in.
You have to repect him. He doesn't really have powers but the version of him that appeared in Justice League Unlimited was priceless for it's conspiracy theory nut job personality.
In DC continuity, this version of the questions is no longer with us but it's comics so he'll be back soon enough.