Gran Guerrero is a Mexican luchador enmascarado, who works for Consejo Mundial de Lucha Libre (CMLL), where he is the current CMLL World Heavyweight Champion, in his first reign. He portrays a rudo wrestling character. He was originally introduced to the wrestling world under the ring name Último Guerrero Jr. in 2009 as the storyline son of Último Guerrero, and later made his wrestling debut under the name Taurus. In 2013 he was given a new image, re-introduced under the ring name "Gran Guerrero", officially acknowledging that he was the much younger brother of Último Guerrero. Gran Guerrero'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.

Atlantis is a Mexican luchador enmascarado, working for Consejo Mundial de Lucha Libre (CMLL) where he performs as a Técnico and is one of the longest-tenured luchador in CMLL history. Atlantis was trained by Diablo Velasco, made his in-ring debut in 1983 and has always wrestled under the ring name Atlantis, named after the sunken city of Atlantis. Atlantis has held a large number of professional wrestling championships over the years, both in Mexico and in Japan, both individually and as a tag team. He has also won the mask of several prominent wrestlers through his career including Kung Fu, Villano III, Último Guerrero and La Sombra.