 Mendoza was the father of Los Villanos, Villano I, Villano II.Villano III, Villano IV, and Villano V.

José Díaz Velazquez was born on July 6, 1929 and grew up in the Tepito district of Mexico City, a very poor and violent neighborhood.Díaz never finished any formal education as he had to start earning a living at a very early age to support himself and his wife Lupita Mendoza whom he married when he was just 15 years old.