Antonio Sánchez Rendón (born September 4, 1954), is a retired Mexican luchador, or professional wrestler best known under the ring name El Signo (Spanish for "The Symbol"). Rendón was part of Los Misioneros de la Muerte ("The Missionaries of Death") with Negro Navarro and El Texano a team that is credited with popularizing the Trios match in Mexico to the point that it became the most common match for in Mexican Lucha Libre. Sánchez made his professional wrestling debut in 1971 and officially retired in 2010, after 38 years of active competition. At least one of Sánchez's children is also a professional wrestler, working under the name Hijo del Signo ("Son of the Sign", born 1985) since 2008.
