Yes, everyone on here guessed it too. Then immediatly said "no, there's now way they'd do that..." and threw out crazy guesses. There was a poll here on the hype when the storyline was going along and Elliot only had about 10 votes. And while I'll definetily give you that Loeb has gone completely mad since the Supergirl arc of Batman/Superman, his older stuff, like TLH and DV were great. And while Hush wasn't on the same level as those, it was still very good.
EDIT: Here's another fun fact- We still don't know for sure if Tommy was Hush. The Gotham Knights arc is no longer in continuity it would seem, and we never once saw him out of the bandages. Sure, he threw out some things that Tommy would have known, but that and the lack of a corpse is the only evidence we have towards Hush being Tommy Elliot.