Sergio Bonelli (2 December 1932 – 26 September 2011) was an Italian comic book writer and publisher. He is best known as creator of Zagor (1961) and Mister No (1975), as well as a comics publisher through the publishing house Sergio Bonelli Editore. In 1960 Bonelli wrote , a mini-series of six adventures, illustrated by . In the same year he met the illustrator Gallieno Ferri, with whom he created Zagor in 1961. Bonelli wrote almost all Zagor stories until 1980 (issue #182). In 1975 he created the Mister No series. He died in Monza, on 26 September 2011, following a short illness.