sentences:  Before fame, Chase worked as a cab driver, truck driver, motorcycle messenger, construction worker, waiter, busboy, fruit picker, produce manager in a supermarket, audio engineer, salesman in a wine store, and theater usher.Chase was a member of an early underground comedy ensemble called Channel One, which he co-founded in 1967.He also wrote a one-page spoof on "" for "Mad" magazine in 1970 and was a writer for the short-lived "Smothers Brothers" TV show comeback in the spring of 1975.