The primary and most iconic clown from Universal Studios' Halloween Horror Nights (HHN) is Jack "The Clown" Schmidt. First introduced in 2000 for HHN X, Jack was the event's first original "Icon" and has since become the unofficial face of the franchise. His backstory involves being a former circus performer for Dr. Oddfellow’s Carnival of Thrills; after discovering Jack was a serial killer, Oddfellow murdered him and hid his body in a Jack-in-the-box, only for Jack to be accidentally released years later as a vengeful, supernatural entity. Over the decades, Jack has evolved through various iterations, including his "Carnival of Carnage" ringmaster persona and a more modern, chaotic "Rockstar" version. While other clowns like Chance (Jack's sidekick) have appeared, Jack remains the definitive clown icon of the event, frequently returning for anniversary years to lead the "Maniacs" in spreading mayhem across the park.