Tags: Wrestler.
Oscar Gutierrez (born December 11 1974) is an American professional wrestler signed to WWE. Gutierrez was trained by his uncle Rey Misterio Sr. learning the Lucha Libre high flying style that has been his trademark.Gutierrez originally worked for Asistencia Asesoría y Administración (AAA) in Mexico from 1992 to 1995. He wrestled in Extreme Championship Wrestling (ECW) from 1995 to 1996 and World Championship Wrestling (WCW) from 1996 to 2001 as Rey Misterio Jr. or Rey Mysterio Jr.