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Who is #HotDebateGuy?

On Wednesday night, viewers of the republican debate couldn't help but notice a handsome man sitting behind moderator Jake Tapper.

Social media went into a frenzy over the handsome dude and Twitter users even started the hashtag #HotDebateGuy to talk about the mystery man.

So, who is he? It turns out, the hottie's name is Greg Caruso, and he has an impressive resume.

Watch the E! News clip to get the scoop on your new crush, Greg Caruso!