Friend, mentor, and excellent ceramic sculptor:
http://www.tonynatsoulas.com

Brilliantly funny web comic (be sure to check out his movie "Expendable"):
http://www.wondermark.com

A fun site to browse:
http://www.paleofuture.com

Another site to get lost in (don't miss their Shorpy site of vintage photography):
http://www.plan59.com/

I attended one of Philippe Faraut's 3 day classes. Highly recommended. Amazing work:
http://www.philippefaraut.com/