This PBS video–part of their Off Book series–spotlighting webcartooniSts have been making the rounds. It’s only 7 minutes long but spotlights:
Christina Xu, Breadpig
Nick Gurewitch, Perry Bible Fellowship
Sam Brown, Exploding Dog
Lucy Knisley, Stop Paying Attention
Andrew Hussie, Homestuck

And it is a condition not generally noted before that in addition to making millions laugh and think and spearheading new business models, many web cartoonists have simply amazing hair.