Aang (Zach Tyler Eisen) is the 12-year-old protagonist of the series who had been frozen in ice with his flying bison, Appa, for 100 years. He was find by a young Waterbender named Katara who later becomes his love interest. He is the current incarnation of the Avatar, the master of 4 elements. Aang is a reluctant hero trying to return balance to the world.