Yves Sente began writing scripts in 1999 and has already acquired considerable clout, being chosen as successor to original creator Jean Van Hamme for the series Thorgal and the sequel to XIII and also working on Blake & Mortimer. André Juillard is a celebrated artist with a career spanning more than 35 years. He has worked on famous series such as Les Sept Vies de L'Epervier and Masquerouge and obtained the Grand Prix at the Angoulême festival in 1996.