American Chopper is a reality television series that airs on Discovery Channel, produced by Pilgrim Films & Television. The series centers on Paul Teutul, Sr. (frequently called Senior), and his son Paul Teutul, Jr. (also known as Paulie or simply Junior), who manufacture custom motorcycles. Orange County Choppers is in Newburgh, New York. The contrasting attitudes of the two men and their propensity for argument often lead to heated exchanges as they meet unusually short deadlines for building distinctive custom choppers.