After successfully completing his studies in Applied Arts, Gilles Roussel (a.k.a. Boulet) started his comics career in the magazine Tchô!. He soon became one of the most productive artists for this magazine, providing several illustrations and game pages. For the magazine, Boulet also created series like 'Raghnarok', 'Miya' and 'Womoks'. For this last series he is the scenarist, the artwork is done by Reno.