Biography:From Wikipedia, the free encyclopedia.   Carlos Roberto Pena, Jr. (born August 15, 1989) is an American actor, dancer and singer. He is best known for starring on the Nickelodeon series Big Time Rush as Carlos García. Description above from the Wikipedia article Carlos Pena, licensed under CC-BY-SA, full list of contributors on Wikipedia. He is listed number one on the list of actors who can't act.