Vincent Mathy studied at Saint-Luc, where he met Pierre Bailly. After working for several years at Bayard Presse, Mathy worked with Bailly and Denis Lapière on the series 'Ludo'. This series, about a boy who is a big fan of the comic strip 'Castar', has appeared in Spirou since the late nineties. In this series, Bailly drew the adventures of 'Ludo', while Mathy illustrated the comics of 'Castar'.