After trying his hand at several jobs, Yurg became a freelance graphic artist. While drawing for several advertisement companies, he created 'Slimmeke Slim' with Yaack Bakker in Het Gazet van Antwerpen, and 'Bang!' with Ikke in Robbedoes. In the early 1990s, he came up with 'Wendy Stript Ze!' in Panorama, about the sexy adventures of Wendy van Wanten.Under the pseudonym Munka, De Muynck worked with Giba on the series 'Ella & Mekanik' in Suske en Wiske Weekblad, a magazin for which he also drew 'De Discosaurus'. He was present in Libelle with 'Familie Twist', and did short stories and illustrations for Flair. Later on, Yurg started working as an animator for computer games.