With a bachelor's degree in fine arts, David Mussel specialises in animation and has been working on animated TV series like Haunted Tales, Jorel's Brother, Monica's Gang, Trunk Train, Oswald and some features like Poor Us and Sbornia, for the last seven years. At the same time, he made some auteur short animated films: Quindins (made as a school project), Estrela (Star) and, now, Cartas (Letters).