Best of 2007

The 10 Wildest YouTube Stars

From Chocolate Rain to the Dramatic Chipmunk, these are the clips you couldn't help but forward this year. By Cara Lynn Shultz

THE DRAMATIC CHIPMUNK

Is it a chipmunk? Is it a prairie dog? Who cares! The clip of the little furball – taken from a Japanese TV show and set to climactic music – was five seconds less time spent working.