Here is another digital caricature I did for the drawingboard.org. His name is Carlos Rubio and you can check his art at his blog here at http://rubiocarlos.blogspot.com/
Here are some great pictures that from the drawingboard.org. The artists are talented and friendly. The picture below was draw by a user named jasreet_pratap. Sadly I didnt see a webpage or blog to link to.