20. Beavis and Butt-head, 'Beavis and Butt-head'
"Heh heh heh. Mmm heh heh heh." The glory of MTV in its prime was that no one satirized the network better than the network itself — especially future Office Space/King of the Hill creator Mike Judge's teenage dirtbags. Between animated sketches, these two young neanderthals would comment on videos from every conceivable genre, evaluating them along a strict "rocks/sucks" binary. As an encapsulation of adolescent metalheads, they were both completely hilarious and surprisingly insightful.