Casty (Andrea Castellan) is one of the most well-known writers in the Disney comic scene. He made his debut in the 90s in the famous Italian monthly "Cattivik", continued his career in "Lupo Alberto" and since 2003 he writes and designs for the weekly "Topolino". It usually deals with the world of Mickey and his friends, recreating the mysterious and adventurous atmosphere of the original Mickey Mouse releases. He has also created new characters that have gradually been added to Mickey Mouse's company: the time agent Uma, the oceanologist Estrella Marina, the explorer Eurasia Tost and the villain Vito Doppioscherzo.