Guerrero Maya Jr.'s real name is not a matter of public record, as is often the case with masked wrestlers in Mexico where their private lives are kept a secret from the wrestling fans.

The man known under the ring name Guerrero Maya Jr. earned a degree in Business Administration from a European University before his professional wrestling career, noting that it was important to him to have a well rounded background, to combine intellect with skill.

[3] Maya Jr. does a lot of charity work through his employer Consejo Mundial de Lucha Libre (CMLL), including visiting sick children at various hospitals around Mexico, stating that he appreciates his career giving him opportunities like that.

[5] In late 2010 Guerrero Maya Jr. contracted Hepatitis A, but was able to fully recover after a month away from the ring, returning to active competition on February 1, 2011.

[9] During the storyline between the two Multifacético defeated Black Terry to win the IWRG Intercontinental Welterweight Championship, holding it for 67 days before losing it to Fuerza Guerrera on May 29, 2008.

[9] As part of his promotional push as a top star Multifacético won a rapid succession of Luchas de Apuestas ("Bet matches"), where his opponent was forced to have his hair shaved off after the loss.

[12] For about a year Guerrero Maya Jr. continued to work mid-card matches, gaining experience as he kept training at CMLL's wrestling school.

[17] Guerrero Maya Jr. was injured during the semi-final match, but worked through it to win the final, but then had to take a couple of months off to recover from his shoulder injury.

[22] In early 2012 Guerrero Maya Jr. competed in his first Torneo Nacional de Parejas Increibles, teaming up with rudo ("Bad guy") Euforia but lost in the first round to the team of Máscara Dorada and Volador Jr.[23] On June 22, 2012 Los Reyes de la Atlantida lost the title to Los Depredadores del Aire (Black Warrior, Mr. Águila and Volador Jr.).

[27] In early 2013 Guerrero Maya Jr. and Negro Casas were teamed up for the 2013 CMLL Torneo Nacional de Parejas Increibles, a tournament where the concept was that rivals or at least wrestlers from opposite sides of the tecnico/rudo divide.

[31] On November 3, Maya and Delta defeated La Fiebre Amarilla (Namajague and Okumura) to win the CMLL Arena Coliseo Tag Team Championship.

He competed against Akuma, Blue Panther Jr., Cancerbero, Canelo Casas, Delta, Disturbio, Esfinge, Flyer, El Gallo, Joker, Pegasso, Raziel, Sagrado, Stigma and Boby Zavala.

[39] In January 2016, Guerrero Maya Jr. made his Japanese debut by taking part in the CMLL and New Japan Pro-Wrestling (NJPW) co-produced Fantastica Mania 2016 tour.