I thought Robin Williams was a genius and extremely funny. I wonder who will play him in the "The Robin Williams Movie". I can't think of anybody who could pull it off. He will be missed.
Tools: Faber-Castell pens on smooth bristol, white gel pen
Reference was found on facebook.
Here is a cool animation that my friend Paul paul-shanghai.deviantart.com/
helped me with:
Here are a few wips if you are interested: