Question: Which custom motorcycle manufacturer did Paul Teutul Jr. and Paul Teutul Sr. co-found?

Context paragraphs:
Orange County Choppers: Orange County Choppers (OCC) is a motorcycle manufacturer and lifestyle brand company based in the town of Newburgh, located in Orange County, New York, that was founded in 1999 by Paul Teutul Sr., and Paul Teutul Jr. The company was featured on "American Chopper", a reality TV show that debuted in September 2002 on the Discovery Channel.  The series moved to Discovery Channel's sister channel TLC in 2007.  Following cancellation of the Discovery series, the company was also featured on "Orange County Choppers" on the CMT network in 2013.

Honda Fury: The Honda Fury was the first production chopper from a major motorcycle manufacturer Honda.  In a break with tradition, the Fury was the first chopper to have an anti-lock braking system The Fury's styling has been likened to custom-made choppers from Paul Teutul, Sr. or Arlen Ness.  The Fury has been sold not only in North America, but internationally as well, although in some markets Honda eschewed the "Fury" name and offered the bike simply by its model ID: VT1300CX.

Azeroth Choppers: Azeroth Choppers was a weekly web series by Blizzard Entertainment that ran from April 17 to June 5, 2014.  It featured Paul Teutul, Jr. ("American Chopper") and his company Paul Jr.  Designs building motorcycles based on Blizzard's long-running MMORPG "World of Warcraft".

Lossa Engineering: Lossa Engineering is a Custom motorcycle manufacturer based in Long Beach, California.  Founded in 2007, by Jay LaRossa, it specializes in café racers based on Japanese, Italian and British bikes from the 1960s and 1970s.

Cody Connelly: Cody Connelly is an American motorcycle builder, best known for his work at Orange County Choppers (OCC), the subject of the American TV show "American Chopper".  Cody left Orange County Choppers and joined V-Force Customs (a custom motorcycle shop in Rock Tavern, NY) where he works with friend and former colleague of Orange County Choppers Vincent DiMartino.  Cody has since made several appearances on the show "" alongside Paul Teutul, Jr. and DiMartino, helping out at Paul Jr.  Designs.

Paul Teutul Jr.: Paul Michael Teutul (born October 2, 1974) was one of the stars of the American reality television series "American Chopper".  He co-founded Orange County Choppers (OCC) with his father, Paul Teutul Sr. in 1999.  Teutul was the chief designer and fabricator of OCC.  Prior to this, Teutul was head of the rail shop at Orange County Ironworks.  He was also responsible for designing the logo for OCC.  He is the owner of Paul Jr.  Designs, which manufactures custom motorcycles and sells branded clothing.

Paul Jr. Designs: Paul Jr.  Designs (PJD) is a lifestyle brand motorcycle customizer and clothing vendor based in Rock Tavern, New York, USA.  Paul Teutul Jr. founded the design firm in 2009 after waiting out a one-year non-compete clause with his former company, Orange County Choppers (OCC).

Titan Motorcycle Company: Titan Motorcycle Company is an American motorcycle manufacturer that was founded in 1995 in Phoenix, Arizona and was the first custom motorcycle company to produce in volume.  At the time there was a shortage of brand new Harley-Davidsons, and those who were lucky enough to get a new one would quite often disassemble them and add lots of chrome custom parts.  There was a market for fast available mild customized bikes.  These motorcycles had a registered name and a valid VIN and were easy to finance but at first not easy to insure due to bank uncertainty with the manufacturing processes.  This carried over to the Bl-Book listing where it caused incorrect prices on these motorcycles and made it difficult for sellers to get the correct price.  The few specialty motorcycles Like the Titan Phoenix TRM Custom where only 25 were built, one at a time each bike built or put together by one person.  Titan owners went public on the NASDAQ in 1997.

Paul Teutul Sr.: Paul John Teutul is the founder of Orange County Choppers, a manufacturer of custom motorcycles and the focus of the reality television series "American Chopper".  Teutul first appeared on the show with his sons Paul Teutul Jr., Michael Teutul.  In 2013 his new show "Orange County Choppers" premiered on CMT

American Chopper: American Chopper is an American reality television series that aired on Discovery Channel from 2003-2010, 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 chopper-style motorcycles.  Orange County Choppers is in Newburgh, New York.  The contrasting work and creative styles of the father and son team and their resulting verbal arguments were the series' hallmark until 2008 when an explosive argument led to Paul Jr.'s termination and departure to start a competing chopper company (Paul Jr.  Designs).

Supporting paragraphs: Paul Teutul Jr. Paul Teutul Sr.
Answer: Orange County Choppers