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.

[2] Zachary Tyler Eisen was born in Stamford, Connecticut to a Jewish-American family.

He then started his voice role as Wee Willy, the main character in the unaired Nickelodeon/Nick Jr. pitch pilot for the PBS Kids TV series Super Why!.

Eisen later appeared on a 2000 episode of Nick Jr.'s Dora the Explorer as Baby Red Fish and portrayed a boy in Richard Benjamin's Marci X.