Ed Vs. Envy - Anything You Can DoSome of the funniest lip-sync I've ever seen.
Will Ferrell is The Phantom of the OperaWill Ferrell sings
Music of the Night. And is surprisingly good at it.
P.S. It's The Late Show with David Letterman, not Saturday Night Live, Syera!The Phantom of the Opera (1990 Kopit version)This only links to the first part. It's a rather long movie, but a pretty good adaption.
Doctor WhomOnly links to the first episode. A humorous, British-produced Doctor Who parody.
I Want An Alphonse For ChristmasEver heard Jonas Brothers perform
I Want A Hippopotamus For Christmas? Well, they ruined it. Here is the original song, starring Alphonse Elric.
The 12 Pains of ChristmasWith cartoon characters. I couldn't find the original, but this one is equally funny.
Kishu Tribute - I love my lips!Quiche loves his lips. Almost as much as Larry the Cucumber.