Salvador "Chavo" Guerrero IV (October 20, 1970) also known as Chavo Guerrero and Chavo Guerrero, Jr., is a third generation Mexican-American professional wrestler and member of the famed Guerrero wrestling family, who was signed to Total Nonstop Action Wrestling (TNA). He is best known for working with World Wrestling Entertainment (WWE) and World Championship Wrestling (WCW). He is a one-time world champion, having held the ECW Championship in 2008, a six-time Cruiserweight Champion, a two-time WWE Tag Team Champion with Eddie Guerrero and a one-time WCW World Tag Team Champion with Corporal Cajun.