Esteban Mares Castañeda (September 3, 1952) is a Mexican luchador, or professional wrestler who has been wrestling since 1973. As Black Terry he was once part of a group called Los Temerarios alongside Jose Luis Feliciano and Shu El Guerrero. He has previously worked as the masked character Guerrero Maya ("Mayan Warrior") where he formed the group called Los Guerreros Del Futuro ("The Warriors of the Future") with Guerrero del Futuro and Damian El Guerrero. He is the father of wrestler Guerrero Maya, Jr. although the relationship is not officially recognized due to Guerrero Maya, Jr. being a masked wrestler.