José Ángel Nájera Sánchez was a Mexican luchador, or professional wrestler, best known under the ring name Fishman. Fishman was one of the top wrestlers in the mid-1970s and 1980s and worked for Empresa Mexicana de Lucha Libre, the Universal Wrestling Association, the World Wrestling Association and AAA in Mexico as well as frequent trips to Japan and the United States. Nájera was unmasked after losing a match in 2000 and retired shortly afterwards. Three of his sons are all luchadores enmascarados known by their ring names Black Fish, El Hijo del Fishman and El Único de Ciudad Juárez.

Roberto González Cruz was a Mexican professional wrestler who wrestled under the name El Solitario. During his career he held both the NWA World Light Heavyweight Championship and the NWA World Middleweight Championship. After achieving stardom in Mexico's oldest promotion, Empresa Mexicana de Lucha Libre, Gonzalez Cruz joined the breakaway promotion, the Universal Wrestling Association, where he held four more world championships in the early 1980s.