1. Martin Mull, the renowned comedian and actor known for his roles in the TV shows "Fernwood Tonight" and "Roseanne," has passed away at the age of 80. Mull's career spanned over five decades, during which he made a significant impact on the entertainment industry with his unique brand of humor and versatile acting skills.

2. Mull's breakout role came in the 1970s when he starred in the satirical talk show "Fernwood Tonight," where he portrayed the character of Barth Gimble, a talk show host with a dry and deadpan delivery. This role showcased Mull's talent for creating memorable characters and his ability to blend comedy with social commentary.

3. In the 1980s, Mull went on to play the role of Leon Carp in the hit sitcom "Roseanne," where he portrayed the quirky and lovable neighbor of the Conner family. His performance in this role further cemented his reputation as a skilled comedic actor who could seamlessly blend into an ensemble cast and contribute to the overall success of the show.