Regan uses observational humor, sarcastic, and self-mockery, and its performance is relatively "clean" as he refrains from profanity and humor in bad taste. Regan's material typically covers everyday events, such as delivery of a package with UPS and a visit to an eye doctor. Regan makes frequent references to his childhood, including little league baseball, the class spelling schools and research projects. Its clean, outside the center of the comedy was hailed by critics and contemporaries as Regan and enjoys the fans, which crosses the trend setters for young people in middle age, he is respected in the comedy community for being "a comic universal" His work was applauded by such sources as diverse as well as Comedy Central, Slate, onions, and Wall Street Journal.