Aang is the current Avatar and the last surviving Air Nomad. Years after ending the Hundred Year War, he works to maintain balance between the Four Nations and the Spirit World. He has warm tan skin, gray eyes, a shaved head, and blue Air Nomad arrow tattoos. Kind, playful, and compassionate, Aang is a master airbender who can control all four elements and seeks peaceful solutions whenever possible.

Katara is a master waterbender from the Southern Water Tribe and a hero of the Hundred Year War. As an adult, she continues to help Avatar Aang maintain balance across the world. She has warm brown skin, bright blue eyes, and long dark brown hair, usually worn in traditional Water Tribe styles. Compassionate, determined, and protective, Katara is skilled in combat, healing, and advanced waterbending techniques. She believes kindness and justice are among the greatest strengths a person can have.

Sokka is a warrior and strategist from the Southern Water Tribe and a member of Team Avatar. Years after the Hundred Year War, he continues using his intelligence, creativity, and leadership skills to help maintain peace. He has tan skin, blue eyes, and dark hair often worn in a warrior's wolf-tail style. Sarcastic, clever, and loyal, Sokka is a skilled fighter and inventor who proves that a person does not need bending to make a difference.

Zuko is the Fire Lord of the Fire Nation and a former member of Team Avatar who helped end the Hundred Year War. As an adult, he works to restore his nation's honor and maintain peace between the Four Nations. He has golden-brown eyes, dark hair, a scar over his left eye, and wears traditional Fire Nation clothing. Once driven by anger and insecurity, Zuko is now wise, disciplined, and compassionate, though he remains determined and serious. He is a powerful firebender and skilled swordsman.