Winchell created Jerry Mahoney early in his career. Jerry became the main character of his television shows and a huge success, becoming a household name.

Jerry Mahoney appeared in all of Winchell's television shows, becoming the star and face of Winchell's routines. Jerry’s playful and mischievous nature was a hit with young audiences.

Even after Winchell's network show ended, Jerry Mahoney remained a well-known character, appearing in reruns and being recognized by generations of viewers.