Marc Clamens studied applied arts at the École Boulle and specialized in comic illustration and graphic design at the Duperré School of Applied Arts, both in Paris. He works in children's publishing and magazines and is most known for La tropa de trapo. Laurence Jammes studied textile design at the École Boulle and the Duperré School of Applied Arts. He began his career as a children's fashion illustrator and now specializes in children's books and animated films, collaborating with Clamens.