Pat McGann, a notable figure in the stand-up comedy scene, began his career at the age of 31 after transitioning from a previous profession in packaging sales. He gained recognition as the house emcee at Zanies Chicago, where he developed a reputation for engaging with audiences. McGann has toured extensively as the opening act for comedian Sebastian Maniscalco, performing at venues including Madison Square Garden, and has appeared on major television programs such as The Late Show with David Letterman and The Late Show with Stephen Colbert.