Complex sentence: Other than Bonelli and Ferri, many other artists worked authors who worked to the series include writers Alfredo Castelli, Tiziano Sclavi and Claudio Nizzi, and artists Roberto Diso, Marco Bianchini, Fabio Civitelli and Ferdinando Tacconi.
Split into simpler sentences: Other than Bonelli and Ferri, many other artists and authors have contributed to the series. These include the writers Alfredo Castelli, Tiziano Sclavi, and Claudio Nizzi; and the artists Roberto Diso, Marco Bianchini, Fabio Civitelli, and Ferdinando Tacconi.