| First Name | Constantine |
| Middle Name | James |
| Last Name | Maroulis |
| Full Name at Birth | Constantinos Demetrious Maroulis |
| Age | 36 |
| Date of Birth | September 17, 1975 |
| Birthplace | Brooklyn, New York, USA |
| Height | 6' 3" (190 cm) |
| Build | Average |
| Eye Color | Brown - Dark |
| Hair Color | Brown - Dark |
| Star Sign | Virgo |
| Religion | Greek Orthodox |
| Ethnicity | White |
| Nationality | Greek |
| High School | Ramapo High School |
| University | WilliamsburgBerklee College of MusicBoston Conservatory |
| Occupation | Singer |
| Occupation Category | Singer |
| Claim to Fame | American Idol |
| Official Website | myspace.com |
Constantine James Maroulis (born September 17, 1975) is an American rock singer, actor, and writer from Wyckoff, New Jersey. He was the sixth-place finalist on the fourth season of the reality television series American Idol, and lead vocalist of the hard rock band Pray for the Soul of Betty. He received a nomination for the Tony Award for Best Performance by a Leading Actor in a Musical for his role in Rock of Ages.
Selected Constantine Maroulis film and TV show credits: