In 1965, he prepared the first issue of the fanzine Mercury-Bis together with J-P Bouyxou and Jean-Claude Michel.
Used to make scale models of the Universal Monsters, one which is seen in the Jean Rollin movie Les Démoniaques.
As Georges Maurevert, and Waldo, he was a drawer, a cartoonist, and a painter.
As Georges Moreville, Dan Perrot, and Éric Guez, he was a novelist.
As Raphaël Marongiu, and sometimes Georges Maurevert, he was a photographer, and an author of comics.