This little video has been pretty popular lately, and it’s a dark twist on an old favorite.  Wait ’til you see where it started.

• The latest incarnation – Tune for Two

• The old favorite – The Muppets

• The new favorite – The Office

• The original song – Mah Nà Mah Nà

• And here’s the trailer for the movie that song was from – Sweden: Heaven and Hell