Constantine Maroulis is an American actor and singer best known for his appearance on the fourth season of "American Idol," where he gained widespread recognition for his rock-inspired performances. Born on September 17, 1975, in Brooklyn, New York, Maroulis has a rich background in theater, having graduated from the Boston Conservatory with a degree in musical theater. Beyond "American Idol," he has showcased his talents on Broadway, most notably earning a Tony nomination for his role in the hit musical "Rock of Ages." Maroulis continues to engage audiences with his dynamic stage presence and versatile vocal prowess in both theater and music projects.