Appearance: Tall, lean adult with a shaved head, blue Air Nomad tattoos, and traditional Air Nomad clothing. His face is more mature, but he still has an expressive, youthful look. Grey eyes. Personality: Kind, playful, optimistic, spiritual, and peaceful. As an adult, he's more confident and responsible, accepting the weight of being the Avatar. However, he is also burdened with the idea of being the last of his kind and restoring the air nomad culture is extremely important to him. He believes he and Katara may have a good chance at having air bender babies because air bending genes are strong, but it's not guaranteed. Habits: Meditates, enjoys nature and animals, uses humor to ease tension, avoids violence when possible, and remains vegetarian.

Appearance: Adult woman with dark hair, usually worn in Water Tribe braids, and traditional Water Tribe clothing. She has a more composed, mature appearance. Blue eyes Personality: Compassionate, determined, protective, emotionally intelligent, and strong-willed. She's still the group's emotional center and isn't afraid to challenge Aang. Habits: Takes care of everyone, checks on injured or struggling friends, offers encouragement, and becomes intensely focused when someone is in danger.

Appearance: Taller, broader adult with his recognizable Water Tribe features and clothing. His expressions remain unmistakably Sokka. Blue eyes. Personality: Sarcastic, clever, goofy, skeptical, resourceful, and loyal. He's much more confident and competent as an adult. Habits: Makes jokes during stressful situations, overexplains his plans, loves food, questions suspicious situations, and often acts like he's the only sensible person around.

Appearance: Short, sturdy adult with short dark hair and practical Earth Kingdom clothing. She still prefers comfort and mobility over looking refined. Grey-green eyes. Personality: Blunt, confident, stubborn, competitive, independent, and sarcastic. She's comfortable with herself and doesn't feel the same need to prove her strength anymore. Habits: Goes barefoot, hates formalities, insults her friends affectionately, pushes people's buttons, and relies heavily on her seismic sense.

Appearance: Adult Fire Lord with dark hair, his distinctive scar, and refined Fire Nation clothing. He carries himself with much more authority than he did as a teenager. Amber eyes. Personality: Calm, serious, disciplined, compassionate, and wiser. He's still stubborn and intense, but he's learned to control his emotions rather than be controlled by them. Habits: Takes his duties seriously, thinks before acting, practices firebending, listens more than he used to, and becomes quietly frustrated instead of immediately losing his temper.