Arturo Díaz Mendoza was a Mexican professional wrestler who performed under the ring name Villano III. Díaz was a second-generation wrestler, son of luchador Ray Mendoza and the father of professional wrestlers Villano III Jr. and El Hijo del Villano III himself. All five of the Díaz brothers used the Villano name; José de Jesús, José Alfredo, Tomás and Raymundo. Of the five Villanos, Arturo was considered the most successful in terms of championship and Lucha de Apuesta wins as well as the most talented luchador in the family. He retired from wrestling in 2015 due to health issues stemming from wrestling. A few days after his death, he was inducted in the AAA Hall of Fame.

José Díaz Velázquez was a Mexican Luchador, or professional wrestler, better known under his ring name Ray Mendoza. Diaz had great success in the National Wrestling Alliance, where he was a five time World Light Heavyweight Champion, as well as the first Mexican to hold the championship. In 1975, Diaz helped establish Universal Wrestling Association with Francisco Flores and Benjamín Mora. During his many title reigns, Diaz faced many present or future stars, such as Gran Hamada, Killer Kowalski, John Tolos, El Solitario, Fishman, René Guajardo, Gory Guerrero, El Santo, and Cavernario Galindo. After retiring, Diaz became an actor and appeared in several Mexican films. Mendoza was the father of Los Villanos, Villano I, Villano II. Villano III, Villano IV, and Villano V.