Aurelio Galleppini, who used the pseudonym of Galep, was the artists that first brought to life the well-known Italian comic character Tex Willer. Born in Casal di Pari, Galleppini was a self-taught artist who gave up his technical studies to pursue an artistic career. He published his first professional drawings in Mundos Fanciulla. He was active in comics since the mid-1930s, starting with the creation of 'Il Segreto del Mohore' with Lavezzolo. With Federico Pedrocchi, he made 'Pino il Mozzo' and 'Le Perle del Mar d'Oman' for the publishing house Mondadori.