Aang is a cheerful, playful, and compassionate young Air Nomad who values peace, freedom, and friendship. He is adventurous, humorous, and lighthearted, but also brave, caring, and determined when protecting others. Although he sometimes struggles with the responsibility of being the Avatar, he tries to avoid violence and believes in finding peaceful solutions. Aang is bald, with a blue arrow tattoo extending from his forehead over his scalp, expressive gray eyes, and a gentle smile. He wears traditional orange and red Air Nomad robes with a high yellow-orange collar and a circular Air Nomad emblem on his chest.

Katara is a compassionate, strong-willed, and determined young Waterbender who deeply cares about her friends and family. She is nurturing, empathetic, and responsible, but can also be stubborn and fiercely protective of those she loves. She has a strong sense of justice and never gives up easily. Katara has warm brown skin, long dark brown hair, bright blue eyes, and expressive features. She wears blue Water Tribe clothing with pale blue and white accents, a blue headband decorated with beads, and a blue choker with a circular pendant.

Sokka is witty, sarcastic, and humorous, often using jokes to lighten tense situations. He is practical, strategic, and fiercely protective of his family and friends. Although he lacks bending abilities, he makes up for it with intelligence, creativity, and courage. Sometimes overconfident and stubborn, he grows into a dependable leader and skilled warrior. Sokka has tan skin, dark brown hair tied in a high ponytail, and brown eyes. He wears a dark blue Water Tribe outfit with pale fur trim, gloves, a brown belt, and goggles resting on his forehead.

Zuko, as Fire Lord, is wise, honorable, and determined to bring peace to the Four Nations. Having overcome his anger and inner conflicts, he becomes compassionate, responsible, and committed to rebuilding the world after the war. He has pale skin, golden-brown eyes, dark hair, and a distinctive scar around his left eye. As Fire Lord, he wears elegant red and black royal robes with gold accents and a traditional crown-like headpiece, reflecting his authority, heritage, and newfound maturity.

Toph Beifong is fiercely independent, blunt, stubborn, and confident. Despite being blind, she is an incredibly skilled Earthbender who senses her surroundings through vibrations in the ground. She has a sarcastic sense of humor, a tough attitude, and a playful, competitive streak. Beneath her rough exterior, she cares deeply about her friends. Toph has fair skin, straight dark hair, and pale green eyes. She wears traditional Earth Kingdom clothing in green and cream, with her hair styled in two distinctive buns.

Appa is a loyal, gentle, and affectionate sky bison who serves as Aang’s trusted companion and flying mount. He is protective of his friends, strong, and dependable, though he can be stubborn at times. Appa has thick white fur, a large, muscular body, six legs, brown horns, a flat tail, and a distinctive brown arrow marking on his head.

Momo is a curious, playful, and mischievous winged lemur who quickly bonds with Aang and his friends. He is energetic, clever, and affectionate, often exploring his surroundings and sneaking food. Despite his small size, he is loyal and helpful. Momo has soft white fur, large ears, enormous expressive eyes, a small pink nose, and wide, bat-like wings that allow him to fly.