
He informs me that he found the French cartoon stamps online in a recent post. BUT I was missing the most important character! He included this fellow by the name of Titeuf.
You can see more of Denis Charmot's work and mail art by visiting his excellent web site.

Apparently this cartoon is sweeping France by storm. It is the creation of Swiss cartoonist Philippe Chappuis. His cartoon characters are appearing everywhere from billboards to notebooks. Denis writes in his postcard that Titeuf is "very appreciated by the French children for his politically incorrect contents." This cartoon strip only became popular in France last year, so it is amazing that it is already the subject of postage stamps.
The word "titeuf" means little egg.
You can read more about this comic strip, its creator and its phoenominal success in France by reading this article from the Scotland Sunday Herald.