The setup’s function is to misdirect the audience into believing a false narrative. Once that is accomplished, the setup is done. Any added information clutters up this function. The punchline’s function is to communicate an idea that’s compatible with the setup’s narrative, but completely unexpected.
Author Greg Dean
Forty years ago, Greg realized that nobody was teaching comedy. Greg took it upon himself to be a stand-up comedy teacher and teach others how to succeed. Setting aside his successful career as a comedian (Saturday Night Live, Ringling Bros Circus clown and ringmaster, Comedy Store paid regular, his own improv troupe with Andy Garcia) and many others, he pursued his passion – to teach the art of stand-up.