Miguel Ángel López Díaz, better known as his ring name Rey Misterio, Sr. is a Mexican professional wrestler, trainer and actor. He is the uncle of well-known luchador Rey Mysterio, Jr. His name directly translates to "Mystery King" in English. He was one of the top stars and promoters in Mexico throughout the 1970s and 1980s.

Misterio first began training to be a boxer, but after his body got bigger, he took a lot of bumps and lost some of his punching ability. When his trainers told him that he could still punch hard, they told Mysterio about wrestling. His brother soon began to take him to train for wrestling and lucha libre. On the sixth of January 1976, Mysterio finally made his debut as a wrestler on a show called "Day of the Kings", or Día de los Reyes.

He appeared at World Championship Wrestling's Starrcade 1990 pay-per-view event where he teamed with Konnan and competed in the "Pat O'Connor Memorial International Cup" representing Mexico. In the first round the team defeated Chris Adams and Norman Smiley representing the United Kingdom, but lost to The Steiner Brothers in the second round.

Rey Gutierrez Mysterio Jr. (born December 11, 1974) is a Mexican American professional wrestler in World Wrestling Entertainment currently wrestling on the RAW Brand. In WWE, Gutierrez was trained by his uncle Rey Misterio, Sr. and wrestled early on in Mexico where he learned the Lucha Libre high flying style that has been his trademark.

Gutierrez originally worked for Asistencia Asesoría y Administración (AAA) in Mexico, from 1992 to 1995. He wrestled in Extreme Championship Wrestling (ECW) from 1995 to 1996 and World Championship Wrestling (WCW) from 1996 to 2001, as Rey Misterio, Jr./Rey Mysterio, Jr. but dropped the "Junior" from his name when he began working for WWE in 2002.

Mysterio is known for having a high flying style, which helped kick-start the cruiserweight wrestling revolution in the United States in the late 1990s during his time in WCW. In WCW he won the WCW World Tag Team Championship three times, and the WCW Cruiserweight Tag Team Championship once with Billy Kidman as part of the Filthy Animals. In WWE, Mysterio is a three time world champion having held the World Heavyweight Championship twice, the WWE Championship once and is currently listed as the lightest world champion in WWE history. He has also held the WWE Tag Team Championship a record-tying four times, and the WWE Intercontinental Championship twice. He also held the WCW/WWE Cruiserweight Championship a record eight times (five times in WCW, three in WWE). All totaled, he has won 21 titles between WWE and WCW. Mysterio was the 21st person to win the WWE Triple Crown Championship, and was the winner of the 2006 Royal Rumble.

Eduardo Aníbal González Hernández (born November 23, 1974 in Mexico City, D. F.), better known as Juventud Guerrera, is a Mexican professional wrestler who is best known for his work in many wrestling promotions worldwide, including all the major American wrestling promotions, such as World Wrestling Entertainment, World Championship Wrestling, Extreme Championship Wrestling and Total Nonstop Action Wrestling, as well as the major Mexican wrestling promotions Asistencia Asesoría y Administración and Consejo Mundial de Lucha Libre.

Early in his career Guerrera was a mainstay in the Asistencia Asesoría y Administración promotion. He had a very lengthy feud with Rey Mysterio, Jr. in which they traded the AAA Welterweight Title back and forth. The pair also had several tag team matches in which Guerrera would team with his father Fuerza, while Rey, Jr. would tag with uncle and trainer Rey Misterio, Sr.

Guerrera wrestled in many Mexican independent promotions as a masked wrestler but he first gained American exposure in Extreme Championship Wrestling alongside fellow luchadores Rey Misterio Jr., Psicosis, Konnan and La Parka, all of whom were also wrestling for Konnan's Promo Azteca in Mexico at the time. When Konnan left for WCW, Guerrera and the rest followed.

Salvador Guerrero III (born January 7, 1949), better known as Chavo Guerrero or Chavo Guerrero, Sr., is a former professional wrestler. He is known for his work in Universal Wrestling Federation (UWF), American Wrestling Association (AWA) and World Wrestling Entertainment (WWE) and for being the father of third generation wrestler Chavo Guerrero, Jr. He is the oldest son of Salvador "Gory" Guerrero, and part of the Guerrero wrestling family. He is the oldest WWE Cruiserweight Champion.

Earlier in his career, Guerrero feuded with Atsushi Onita in Japan over lighter-weight titles.

In the 1970s, Guerrero moved his family to California so he could compete in Los Angeles's World Wrestling Association (WWA). He also feuded with Roddy Piper for the NWA Americas Heavyweight Championship. Guerrero held the title 15 times between 1975 and 1980.

He usually teamed with his brothers, Mando and Hector wherever he wrestled. In the late 1980s wrestling in the AWA on ESPN. He was teaming with his brother Mando to go after the AWA World Tag Team Championship held by Diamond Dallas Page's team of Badd Company (Paul Diamond and Pat Tanaka).

Carmelo Reyes González (born October 18, 1949) is a Mexican professional wrestler, better known by his ring name, Cien Caras ("Hundred Faces"). He is best known for his appearances with the Consejo Mundial de Lucha Libre.

After training under Diablo Velasco and Pantera Negra, Reyes debuted in 1974 under the ring name "Mil Caras", but due to the obvious confusion with Mil Máscaras, he dropped 900 units to become "Cien Caras". Caras was initially a técnico, but quickly developed a more violent wrestling style, and became a rudo. He lost his mask in the culmination of a feud with Rayo de Jalisco, Jr. On June 24, 1987 in Nezahualcóyotl, State of Mexico, Caras defeated MS-1 for the NWA World Light Heavyweight Championship. He held the title until March 20, 1988, when he lost to Lizmark in Mexico City, Mexican Federal District.

On August 18, 1991 in Monterrey, Caras defeated Konnan el Barbaro to become the second ever CMLL World Heavyweight Champion. He held the title until leaving the CMLL in May 1992, vacating the title in the process. Caras followed Konnan to the newly formed Asistencia Asesoría y Administración, where he continued his feud with Konnan. At the inaugural TripleMania event on April 30, 1993, Caras defeated Konnan in a two out of three falls retirement match by count-out after Jake "The Snake" Roberts interfered on his behalf. Caras remained in the AAA for several years before returning to the CMLL. In one of his last matches in the promotion, he teamed with Heavy Metal and Latin Lover in a championship tournament to crown the first AAA Americas Trios Championship and lost to Los Villanos (Villano III, IV and V) at the tournament finals in Nezahualcoyotl on March 8, 1996.