Constantine James Maroulis (; born September 17, 1975) is an American actor and rock singer from Wyckoff, New Jersey. He was the sixth-place finalist on the fourth season of the reality television series American Idol, and received a nomination for the Tony Award for Best Performance by a Leading Actor in a Musical for his role in Rock of Ages.
Maroulis was born in Brooklyn, New York to Greek American parents, James Constantine and Constance P. Maroulis (born 1938). Both his maternal and his paternal grandparents immigrated to the United States from Greece in the 1920s. He was brought up in the Greek Orthodox religion and he can speak Greek.
In August 2004, acting upon his then-girlfriend’s suggestion,Maroulis traveled to Washington DC to audition for Season 4 of the television show American Idol. For the 2005 season, Idol producers changed the age range of contestants from 16-24 to 16-28.Along with Bo Bice (also from Season 4) and Taylor Hicks (winner of Season 5), Maroulis was one of the first contestants to benefit from this change. Maroulis and Bice are also notable for being among the first contestants to compete using the rock idiom.