He went to the Académie Royale des Beaux-Arts in Brussels. Peyo began work at the Compagnie Belge d'Animation (CBA), a small Belgian animation studio. There he met a few of his future colleagues, like André Franquin, Morris and Eddy Paape. He made his first comics for the newspaper "La Dernière Heure" (The Latest Hour). From 1949 to 1952, he drew "Poussy", a stop comic about a cat, for "Le Soir". For the same newspaper, he also made "Johan".