John Francis Burns was an American comedian, actor, voice actor, writer and producer. During the 1960s, he was part of two comedy partnerships, first with George Carlin and later with Avery Schreiber. He is also known for his short stint as Warren Ferguson, Barney Fife's replacement on The Andy Griffith Show in 1965. By the 1970s, he had transitioned to working behind the camera as a writer and producer on such comedy series as The Muppet Show and Hee Haw.

George Denis Patrick Carlin was an American stand-up comedian, actor, author, and social critic. Regarded as one of the most important and influential stand-up comedians of all time, he was dubbed "the dean of counterculture comedians". He was known for his dark comedy and reflections on politics, the English language, psychology, religion, and taboo subjects.