Jesse McCartney is an American actor, singer, and songwriter. He achieved fame in the late 1990s on the daytime drama All My Children as JR Chandler. He later joined the boy band Dream Street, and eventually branched out into a solo musical career. Additionally, McCartney has appeared on shows such as Law & Order: SVU, Summerland, and Greek. McCartney has voiced characters such as Theodore in the live-action Alvin and the Chipmunks film series, JoJo McDodd in Horton Hears a Who!, Terence in the Tinker Bell series, Dick Grayson in Young Justice, and Roxas and Ventus in the Kingdom Hearts video game series.