| First Name | Deney |
| Last Name | Terrio |
| Full Name at Birth | Dennis Mahan |
| Other Names | Denny Terrio |
| Age | 61 |
| Date of Birth | June 15, 1950 |
| Height | 6' (183 cm) |
| Build | Athletic |
| Eye Color | Hazel |
| Hair Color | Black |
| Star Sign | Gemini |
| Ethnicity | Middle Eastern |
| Nationality | American |
| Occupation Category | Actor |
| Claim to Fame | Dance Fever and Saturday Night Fever (taught John |
Denis George Mahan (born June 15, 1950), better known as Deney Terrio, is an American choreographer, former film actor and one-time host of the television musical variety series Dance Fever from 1979 to 1985. In 1991, he sued Merv Griffin, the show's producer, for sexual harassment; the US$11.3 million case was later dismissed.
Selected Deney Terrio film and TV show credits: