Stéphane Brangier, who signs with Siro, began his career as an illustrator for the press, children's books and the advertising field. He made his comics debut in 1992 with the series 'Master Volume', of which he wrote and drew two books at the publishing house Zenda. He then teamed up with writer Didier Convard and began the 'Polka' series at Dargaud.
