Marilyn Manson has done some popular songs. I think his best cover was "Sweet Dreams" by the Eurythmics. He's recently made a cover of "Cry Little Sister" from The Lost Boys soundtrack, but it doesn't quite have the same sexy flare as the original done by Gerard McMann.
Cover comparision: Original soundtrack from Gerard McMann:
Marilyn Manson's cover:
What do you think? Let us know in the comments section below!