Alex Alice began to develop graphic novel projects while at l'École Supérieure de Commerce in Paris. In 1993, he met Xavier Dorison, with whom he began to collaborate on The Third Testament. In addition to that series, Alice began developing Siegfried, a retelling of Norse myths as a graphic novel trilogy. Xavier Dorison is the author of numerous graphic novels, such as Prophet, Long John Silver and W.E.S.T. He's also the author of the movie script for Les Brigades du Tigre (The Tiger Brigades).