Question: James Michael Hillman, better known by the ring name "Mean" Mike Miller, is an American professional wrestler who had great success in Pacific Northwest Wrestling, during his career Mean Mike faced many wrestling legends such as which American professional wrestler, best known under the ring name of "Hangman" Bobby Jaggers?
Context: 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. Keisuke Yamada (山田 圭介 , Yamada Keisuke , born July 6, 1974) is a Japanese professional wrestler, better known by the ring name Black Buffalo (ブラックバファロー , Burakku Bafarō ) .  Originally starting his career in International Wrestling Association of Japan, where he worked under his real name, Yamada found a new home promotion in 1999 in Osaka Pro Wrestling, where he began wrestling under a mask and the ring name Black Buffalo.  For most of his career in Osaka Pro, Yamada has portrayed a villainous character, having been a part of every major villainous alliance in the history of the promotion.  During his first years in the promotion, Buffalo went on to become a four-time Tag Team Champion.  In February 2008, Buffalo was forced to unmask and reveal his true identity, after losing a match, and afterwards began teaming with the man, who unmasked him, Tigers Mask, with two becoming two-time Osaka Pro Wrestling Tag Team Champions together.  Finally, in March 2012, Buffalo managed to win Osaka Pro's top title, the Osaka Pro Wrestling Championship.  Backstage, Yamada served as the vice president of Osaka Pro Wrestling.  Yamada left Osaka Pro Wrestling after the promotion went through a corporate restructuring in April 2014, shortening his ring name to Buffalo (バッファロー , Baffarō ) . David Canal (born July 27, 1960) is a Cuban professional wrestler better known by his ring name "The Cuban Assassin (El Sanguinario Cubano)" Fidel Sierra.  He is notable for being a longtime veteran of the Puerto Rico-based World Wrestling Council as well as for his appearances in World Championship Wrestling and Pacific Northwest Wrestling during the 1980s and 1990s.  He wrestled under the name The Cuban Assassin towards the end of his career. Robert F. Jeaudoin (January 8, 1948 - September 30, 2012) was an American professional wrestler, best known under the ring name of "Hangman" Bobby Jaggers.  Most of his renown as a wrestler came from his appearances in various National Wrestling Alliance-affiliated promotions.  In particular, he found his greatest success in Championship Wrestling from Florida and Pacific Northwest Wrestling, the latter near his hometown of Vancouver, Washington.  His wrestling gimmick was of a cowboy from Kansas, where he spent the later years of his life. Gilles Poisson is a retired Canadian professional wrestler, known by his ring name Pierre or Gilles "The Fish" Poisson, who competed in North American regional promotions including the American Wrestling Association, International Wrestling, Grand Prix Wrestling, Maple Leaf Wrestling, Pacific Northwest Wrestling and Stampede Wrestling during the 1970s and 80s. José Díaz Velázquez (July 6, 1929 – April 16, 2003) was a Mexican "Luchador", or professional wrestler, better known under his ring name Ray Mendoza.  Diaz had great success in the National Wrestling Alliance, where he was a five time World Light Heavyweight Champion, as well as the first Mexican to hold the championship.  In 1975, Diaz helped establish Universal Wrestling Association with Francisco Flores and Benjamín Mora.  During his many title reigns, Diaz faced many present or future stars, such as Gran Hamada, Killer Kowalski, John Tolos, El Solitario, Fishman, René Guajardo, Gory Guerrero, El Santo, and Cavernario Galindo.  After retiring, Diaz became an actor and appeared in several Mexican films.  Mendoza was the father of Los Villanos, Villano I, Villano II.  Villano III, Villano IV, and Villano V. Rocky Iaukea is a retired American professional wrestler, known by his ringname Prince Iaukea, who competed in the Pacific Northwest and Southeastern United States with the National Wrestling Alliance during the 1980s, and in Japan during the early 1990s.  From 1987 to 1990, he wrestled as Abbuda Dein in Pacific Northwest Wrestling winning the NWA Pacific Northwest Television Championship twice and the NWA Pacific Northwest Tag Team Championship three times with Mike Miller and The Grappler.  A second-generation wrestler, he is the son of Curtis Iaukea and a cousin of Maunakea Mossman. Timothy Paul Brooks (born December 4, 1947) is a retired American professional wrestler, better-known by his ring name "Killer" Tim Brooks.  He competed in North American regional promotions including the National Wrestling Alliance (NWA), Pacific Northwest Wrestling (PNW) World Wrestling Council and World Class Championship Wrestling (WCCW) during the 1970s and 1980s. Sandra González Calderón (born June 26, 1970) is a Mexican professional wrestler or "luchadora", best known under the ring name Lady Apache.  González's ring name comes from the "family name" of Mario Balbuena González who wrestles under the name Gran Apache; whom she was married to when she made her wrestling debut in 1986 but later divorced.  Through her marriage to Gran Apache she was the step mother of Faby Apache and Mari Apache, both professional wrestlers.  González' second husband was Jesus Alvarado Nieves, better known as "Brazo de Oro", a professional wrestler, head of the wrestlers union and CMLL booker.  Her third and current husband is Edgar Luna Pozos, AAA's Electroshock, she is also the sister-in-law to Charly Manson (Jesus Luna Pozos).  As Lady Apache, González has mainly worked for Consejo Mundial de Lucha Libre (CMLL) and Asistencia Asesoría y Administración (AAA), Mexico's two largest professional wrestling promotions during her career, switching back and forth several times.  González is a three time CMLL World Women's Champion, a two time Mexican National Women's Champion, two time "AAA Reina de Reinas" (Spanish for "Queen of Queens") and one half of the AAA World Mixed Tag Team Championship with husband Electroshock.  On August 20, 2010 it was announced that Lady Apache was pregnant and for that reason had to stop wrestling for at least seven months.  She made her return to the wrestling ring at a CMLL event on July 31, 2011. James Michael Hillman (born October 14, 1951), better known by the ring name "Mean" Mike Miller, is an American professional wrestler who had great success in Pacific Northwest Wrestling.  Mean Mike was brought in to professional wrestling by Herb Welch.  In Pacific Northwest Wrestling he wrestled for many years and held the NWA Pacific Northwest Heavyweight Championship and NWA Pacific Northwest Tag Team Championship a combined 11 times.  During his career Mean Mike faced many wrestling legends such as Rip Oliver, Bobby Jaggers, Tom Prichard, Jerry Lawler, Chief Jay Strongbow, Brett Sawyer, Billy Jack Haynes, and Steve Doll.
Answer: Robert F. Jeaudoin