Salvador Guerrero IV ( born October 20 , 1970 in El Paso , Texas ) also known as Chavo Guerrero and Chavo Guerrero , Jr. , is a third generation American professional wrestler and member of the famous Guerrero wrestling family . Salvador Guerrero IV ( born October 20 , 1970 ) also known as Chavo Guerrero and Chavo Guerrero , Jr. , is a third generation American professional wrestler and member of the famed Guerrero wrestling family , currently signed to World Wrestling Entertainment wrestling on its SmackDown brand .