Brian Vaughn Bradley Jr. (born September 27, 1996), better known by his stage names Astro, Stro, and the Astronomical Kid, is an American rapper, producer and actor. He is known for being a contestant on the first season of The X Factor USA in 2011. Astro took the judges with his original song shot at Simon, for looking at his mom. His mentor was producer and label executive L.A. Reid. Astro was the seventh contestant eliminated in the competition. After his appearance on The X Factor, he starred in an episode of Person of Interest. In 2014, he co-starred in the major films Earth to Echo and A Walk Among the Tombstones, and the Fox series Red Band Society.