Young Justice Legacy Nightwing
McCartney was born on April 9, 1987, in Ardsley, Westchester, New York , the son of Ginger (Sarber) and Scott McCartney.   He began performing in local community musicals at the age of seven, before joining the national tour of The King and I at age ten along with Phil of the Future star Ricky Ullman . There he played the character of Louis. In 1998, he sang with the group Sugar Beats and can be heard on their 1998, 1999, and 2000 CD releases.