Leone Cimpellin (1926) began his career as an assistant of Lina Buffolente in 1947. In 1949 he teamed up with Gianluigi Bonelli to create ‘Plutos’. At the same time, he took over the artwork of the western ‘Red Carson’ from Mario Uggeri. From the early 1950s, he was part of the team of artists who worked on ‘Pecos Bill’ and ‘Oklahoma’, two westerns created by Guido Martina. He also drew numerous comics for Corriere dei Piccoli. From 1971, Cimpellin drew ‘Johnny Logan’, a satirical saga written by Romano Garofalo. He also worked for the French market, in particular for Lug. In the 1990s he cooperated on the ‘Martin Mystère’ series.