AvatarAaron Ehasz, Alison Wilgus, Amy Kim Ganter, Brian Ralph, Corey Sutherland LewisAvatar: The Last Airbender - The Lost Adventures, book 0.5

Characters in Avatar

5 characters, main characters first.

Main characters

Aang
The twelve-year-old Avatar, a monk of the Air Nomads and only known survivor of his people, who must master all four elements to restore balance to the world.
Also in Avatar: The Last Airbender - Team Avatar Tales, Avatar: The Last Airbender: The Promise

Supporting characters

Katara
A fierce waterbender from the Southern Water Tribe whose compassion and skill make her a central ally to Aang throughout his journey.
Sokka
A resourceful warrior of the Southern Water Tribe, known for his wit and tactical thinking rather than bending.