 He was born in Milan, the son of Gian Luigi Bonelli, the creator of "Tex Willer" and many other Italian comic strips.In order to distinguish himself from his father, he usually wrote his scripts under the pen name Guido Nolitta.He made his debut as a scriptwriter in 1957, with the translation into Italian of the Spanish series "Verdugo Ranch", for which he wrote the final episode (artwork by Franco Bignotti).