An Internet dance phenomenon that will haunt your soul forever.

(Author’s Note:
Original video
Original Song video
Pokemon version
Naruto version
Resident Evil version
VG Cats version
Twilight Princess version
Sonic version
Ed, Edd n Eddy version
Fullmetal Alchemist version
Total Drama Island version
Death Note version
Homestar Runner version
Batman version
Spongebob version
Simpsons version
Futurama version
The Critic version
300 version
Election 2008 version?!
…You get the idea.)