He is the younger brother of recording artist and record reproducer Athan Maroulis. He also has an older sister, Anastasia, who works in the field of education.

Is good friends with fellow Idol contestant, Bo Bice.

He is of Greek descent and was raised in the Greek Orthodox Church, where he was an altar boy and youth group leader.

Has a band called Pray For The Soul of Betty.

His band received a distribution deal with Koch Records while he was still a contestant on American Idol. Koch also has signed Ian Brown of Stone Roses fame, Wyclef Jean, William Hung, The Kinks, and Leonard Bernstein, among others.

Shares the same birth-date as actor Austin St. John.

He graduated from the Boston Conservatory in 2002 with a bachelor's degree in fine arts. At Bostom Conservatory, he specialized in musical theater, studying acting and vocal performance.

His favorite food is pasta.

Started his own independent record label Sixth Place Records.

He grew up in Wyckoff, New Jersey.

He was once an extra on the crime drama Law and Order: Special Victims Unit.

His favorite drink is a cold Corona with a splash of Tabasco. He calls this drink "Hot Lips."

His hero is his cousin, "Gus", who died in the 9/11 attacks.

He is a 1993 alumni from Ramapo High School (Bergen County, New Jersey).

Went to high school with Tara Reid.

He is the oldest contestant in the top twelve of American Idol Season Four, being just one month older than Bo Bice.

Loves washing dishes, he calls it 'theraputic'.

Has a fan base called "Greek God Groupies" and the "Betties"