Zachary Tyler Eisen (born September 23, 1993) is an American actor. He voiced Aang in Nickelodeon's Avatar: The Last Airbender, Lucas Nickle in The Ant Bully, Andrew in Little Bill and Pablo in the 2004 animated TV series The Backyardigans. His film roles include Entropy (1999) and Marci X (2003).
Source: Wikipedia