#2. The Landlord

In a revolutionary 2 minutes and 25 seconds, The Landlord made the web safe for A-listers. This comic update of the classic feudal struggle between lord and vassal includes such Web-friendly touches as profanity, a cute kid and a guy with funny-looking hair. That the guy with funny-looking hair is movie star Will Ferrell and that the clip is funnier than 99% of all the YouTube videos in the "comedy" category explains this short's nearly 50 million downloads.