For many years as a collaborator of Hugo Pratt, among the stories of Corto Maltese to which Vianello worked: La Casa Dorata di Samarcanda, Tango, Le Elvetiche e Mu – La città perduta. He collaborated for the magazines Venezia 7, Sinbad e Il Mago creating sci-fi stories and for the magazines Corto Maltese and Il Grifo. Among his numerous artistic experiences, he was also artistic director and author of the storyboard for the french-brazilian film “La farfalla e il cangaçeiro”, author of short stories and special pubblications. He cured together with Guido Fuga the books Corto Sconto. Itinerari fantastici e nascosti di Corto Maltese a Venezia, an original guide of Venice on the tracks of Corto Maltese.