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.

Ciudad Juárez, commonly referred to as just Juárez, is the most populous city in the Mexican state of Chihuahua. It was known until 1888 as El Paso del Norte. It is the seat of the Juárez Municipality with an estimated population of 2.5 million people. Juárez lies on the Rio Grande river, south of El Paso, Texas, United States. Together with the surrounding areas, the cities form El Paso–Juárez, the second largest binational metropolitan area on the Mexico–U.S. border, with a combined population of over 3.4 million people.