Julio Gerardo "Gérard" Hernandez (born 20 January 1933) is a Spanish-French actor. Hernandez was born in Valladolid, Spain and was naturalized French only in 1975. He is mostly famous for his mustache and for having voiced several live-action/cartoon characters, including Gonzo in the French dubbed version of The Muppet Show, Professor Moriarty in the French dubbed version of Sherlock Hound, Papa Smurf and Grouchy Smurf in the French dubbed version of The Smurfs (1981) and the film of the same ...