Pitof is the moniker of a French film director and visual effects director whose real name is Jean-Christophe Comar. Most of his work has been in such French language films as "La Cité des enfants perdus" and "Astérix et Obélix contre César", but he has also worked on "The Messenger: The Story of Joan of Arc" and as the Visual Effects Supervisor on "Alien: Resurrection". Wikipedia