Roseanne and Clue actor Martin Mull has died at 80 years old, his family confirmed on Friday, June 28. His daughter, Maggie Mull, took to Instagram to share the news. “I am heartbroken to share that my father passed away at home on June 27th, after a valiant fight against a long illness,” she wrote. “He was known for excelling at every creative discipline imaginable and also for doing Red Roof Inn commercials. He would find that joke funny. He was never not funny. My dad will be deeply missed by his wife and daughter, by his friends and coworkers, by fellow artists and comedians and musicians,…