Complex sentence: Campbell's fan base gradually developed after the release of "Evil Dead II" and his short lived series "The Adventures of Brisco County, Jr."; he was a regular favorite at most fan conventions and often draws sold out auditoriums at his public appearances.
Split into simpler sentences: Campbell's fan base gradually developed after the release of "Evil Dead II" and his short lived series "The Adventures of Brisco County, Jr.". He was a regular favorite at most fan conventions and often draws sold out auditoriums at his public appearances.