Aang is the primary protagonist of the animated series "Avatar: The Last Airbender." He is a young Air Nomad monk who is revealed to be the Avatar, the one destined to master the four elements and bring balance to the world. Aang is characterized by his playful and carefree personality, though he carries the heavy responsibility of ending the Fire Nation's war against the other nations. Despite his youth, Aang's wisdom and determination inspire his friends as he embarks on his epic journey to save the world.