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'Dexter' star croons creepy version of Santa song

Michael C. Hall, the actor who makes serial killer Dexter Morgan so amazing, has some major skills. And we're not talking about acting. Turns out the man can really sing, as he proved on "Late Night With Jimmy Fallon" Tuesday. The "Dexter" star offered up his version of the holiday classic "Santa Claus Is Coming to Town" -- minus the cheerfulness, but with a touch of creepy darkness. Check it out:

Pretty brilliant, right? Apparently, he trained as a musical actor!

But Hall wasn't there just to show off his abilities. The actor was on Fallon to dish about the series and its upcoming season finale, which airs this Sunday at 9 p.m. (Noooo!!! Too soon!!!!) Here's the interview:


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