Jean Pierre Danard and François Pierre started their collaboration in 1982. They did several comic projects for Fanzine, Sapristi and P.L.G.P.P.U.R. They also did 'Les Chroniques de Maikal' scipted by François Corteggiani and 'Le Mécano des Étoiles' on scripts by Jacques Lob. They also did an episode of 'Peter Pan', written by François Rivière. They then both joined Dargaud, where Danard took on new series such as '150 Loups-garous' with scripts by Mezinski. Danard started the 'Marlysa' series on his own with writer Jean-Charles Gaudin.