During Jimmy Kimmel's monologue on Thursday night, he was discussing some vexing theological questions – namely, what qualifies you for heaven or hell. So he brought in an expert on the afterlife to explain a few things: Satan.

Actually it's JK Simmons (The Closer) in a really cool suit. But Lucifer does drop some considerable knowledge. Caution: there are some bleeped-out profanities here. So the Devil has a trashy mouth – go figure!

At the very end, Mephistopheles clears up a cultural question that has been plaguing me: Turns out the Biebs ain't no Faust.

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