Question: When was the American professional wrestler born who signed to WWE and who's manager was William Alvin Moody?

Context paragraphs:
Gene LeBell: Ivan Gene LeBell (born October 9, 1932) is an American martial artist, instructor, stunt performer, and professional wrestler born in Los Angeles, California.  LeBell has also worked on over 1,000 films and TV shows and has authored 12 books.

The Undertaker: Mark William Calaway (born March 24, 1965), better known by his ring name The Undertaker, is an American professional wrestler signed to WWE.

Luke Gallows: Andrew William Hankinson (born December 22, 1983) is an American professional wrestler and promoter, currently signed with WWE on the Raw brand under the ring name Luke Gallows.  During his first stint with the promotion, Hankinson also appeared briefly as an imposter of the wrestler Kane during 2006 and then returned as Festus, a seemingly mentally handicapped character who teamed with Jesse (Ray Gordy), but the team achieved little success.  After disappearing from television, Hankinson later became the enforcer and "disciple" of CM Punk, sporting a cleaner, militant look, with the Festus character's "real identity" revealed as Luke Gallows.  His first run in WWE ended in 2010.  He is perhaps best known for working for New Japan Pro Wrestling under the ring name Doc Gallows, and he also wrestled prominently under the TNA banner, where he was a member of the heel Aces & Eights stable under the ring name D.O.C. (Director of Chaos).  Along with Karl Anderson, Hankinson has won the WWE Raw Tag Team Championship once since returning to WWE, and he also held the IWGP Tag Team Championship three times with Anderson, making them one of only three tag teams (with The Steiner Brothers and The Dudley Boyz) to have held both titles between those promotions.

Goldie Rogers: David Sherwin (August 5, 1950 – July 20, 2012), better known by his ring name Goldie Rogers, was a Canadian professional wrestler born in Cobourg, Ontario.

Paul Ellering: Paul Ellering (born August 22, 1953) is an American professional wrestling manager currently signed with WWE on the NXT brand and formerly a weightlifter, professional wrestler and dog musher.  Ellering spent most of his wrestling career managing the Road Warriors (Animal and Hawk), working with them from 1983 to 1990 and again on occasions between 1992 and 1997.  In addition to being their on screen manager he actually handled the team's affairs outside the ring as well, including contract negotiations and travel arrangements.  Ellering and the Road Warriors were inducted into both the Professional Wrestling Hall of Fame and the WWE Hall of Fame in 2011.  Five years later, in June 2016, he returned to the ring at as the manager of The Authors of Pain, a heel tag team making their debut.

Buddy Landel: Buddy Landel (born William Fritz Ensor; August 14, 1961 – June 22, 2015), better known as "Nature Boy" Buddy Landel, was an American professional wrestler born in Knoxville, Tennessee.

Bob Orton Jr.: Robert Keith Orton Jr. (born November 10, 1950), better known by the ring name "Cowboy" Bob Orton, is an American professional wrestler.  He is the son of professional wrestler Bob Orton Sr., the brother of professional wrestler Barry Orton, and the father of professional wrestler Randy Orton.  He is best known for his time in the WWF (World Wrestling Federation, now WWE).  He has also wrestled for several promotions in the United States, Japan, and other countries.

Biff Wellington: Shayne Alexander Bower (April 18, 1965 – June 24, 2007), better known by his ring name Biff Wellington, was a Canadian professional wrestler born, raised, and died in Calgary, Alberta.

Paul Bearer: William Alvin Moody (April 10, 1954 – March 5, 2013), better known by his ring names Paul Bearer and Percival 'Percy' Pringle III, was an American professional wrestling manager.  He is best known for his time in World Class Championship Wrestling (WCCW) and the World Wrestling Federation (WWF, later WWE), where he performed as the manager of wrestlers such as The Undertaker, Kane, and Mick Foley.

Billy Sandow: Wilhelm Baumann (September 4, 1884 – September 15, 1972), better known as Billy Sandow, was an American professional wrestler and promoter.  He is best remembered as the manager of professional wrestler Ed "Strangler" Lewis and a subsequent member of the famed Gold Dust Trio promotion that changed the face of the industry during the 1920s (along with Lewis and Joseph "Toots" Mondt).  He may have taken his ring name from Eugen Sandow, a professional wrestler and strongman in the late 19th century; in turn, former WWE wrestler Damien Sandow would adopt his own ring name in honor of Sandow almost a century later.  Sandow also served as manager for such wrestling champions as Billy Jenkins, Marin Plestina, Jumping Joe Savoldi and Everett Marshall, and also used the ring name The Zebra Kid in 1951.  He was a charter inductee of the Wrestling Observer Newsletter Hall of Fame in 1996.

Supporting paragraphs: Paul Bearer The Undertaker
Answer: March 24, 1965