Aang & Appa Avatar the Last Airbender

Aang and Appa are two of the central characters in Avatar: The Last Airbender.
Aang is the last surviving Air Nomad and the current Avatar, capable of mastering all four elements: water, earth, fire, and air. Despite being biologically 12 years old, he spent 100 years frozen in an iceberg before awakening to restore balance to the world.Appa is Aang's loyal flying sky bison and lifelong animal companion.