When he is not explaining to his students the Myth of the Cave or how Madame Bovary is bored with her deadbeat husband, Matias draws or writes. He first tried his hand at historical thrillers with "Le Secret de Guillaume" (ID Editions). Through this Norman Da Vinci code that he scripted and illustrated, he honored William the Conqueror and collaborated with the Bayeux Tapestry Museum and the castle of Falaise—the castle of Falaise was also be the setting for three exhibitions derived from the comic book. Then followed several contributions to a collective highlighting the heritage of Normandy, including the Mont-Saint-Michel ("Légendes normandes," Éditions du Varou). A geek at heart and a fan of all things "strange," he then created, under the pseudonym Mikko, cartoons for the website "Le Journal du geek" and the magazines "Groom" and "Le Journal de Spirou" (Dupuis) in which superheroes commented on the news. Superheroes that he puts forward in his first comic book with Lombard (Europe Comics in English). It is while at a Comic Con and coming face-to-face with a Wolverine looking more like Dick Rivers than Hugh Jackman that the idea of "Cosplay" appears to him...