Julien Solé is a regular contributor to the magazine Fluide Glacial, using strange pseudonyms like Julien CDM, Julien/CDM and Ju/CDM. From 1995, he cooperated on several fanzines, and he began working as an infographic artist, illustrator, animator and comic artist. From 1995, he started drawing for the pioneering website of Fluide Glacial, together with his brother Vincent. He joined the magazine in 1997, where he started his cooperation with several short stories scripted by Manu Larcenet. These stories are collected in the album 'A L'Ouest de l'Infini' (1999). In 2000, he began the futuristic series 'Cosmik Roger'. From 2002, this series is written by Mo/CDM.