Esteban Mares Castañeda (born September 3, 1952) is a Mexican luchador, or professional wrestler, better known by the ring name Black Terry. Wrestling since 1973, he was once part of a group called Los Temerarios alongside and . 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 (a masked Feliciano) and . 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.