| First Name | Rey |
| Last Name | Mysterio Jr. |
| Full Name at Birth | Oscar Gutierrez |
| Age | 37 |
| Date of Birth | December 11, 1974 |
| Birthplace | San Diego, California. U.S.A |
| Height | 5' 5" (165 cm) |
| Build | Athletic |
| Eye Color | Black |
| Hair Color | Black |
| Star Sign | Sagittarius |
| Religion | Roman Catholic |
| Ethnicity | Hispanic |
| Nationality | Mexican |
| Occupation Category | Wrestling |
| Claim to Fame | WWE |
Óscar Gutiérrez (born December 12, 1974) is an American professional wrestler best known by his ring name Rey Mysterio. He is currently signed to WWE where he performs on the Raw brand. Gutiérrez was trained by his uncle Rey Mysterio and wrestled early on in Mexico where he learned the Lucha Libre high flying style that has been his trademark.
Selected Oscar Gutiérrez film and TV show credits: