Zuko is extremely popular as well. His complex character arc, from being a villain - like figure to a hero, is very engaging. People love to see his transformation and how he overcomes his inner demons and the expectations of his family and nation.
Aang is often a popular choice. Genderbending him can lead to some really interesting storylines, like how a female Aang would handle being the Avatar in a male - dominated world of bending. Another popular one is Zuko. Changing his gender can add a whole new layer to his character arc, especially his relationship with his father and his journey of self - discovery.
Sakura from Naruto is often included in these crossovers as well. Her skills as a healer and her growth as a strong female character can add depth to the crossover stories. She could potentially learn new forms of healing from the Avatar world or teach her own medical ninjutsu to Avatar characters.
Aang is really interesting. He's the Avatar, so he has this huge responsibility on his shoulders at such a young age. He's fun - loving yet has to deal with the serious task of stopping the Fire Nation. Zuko is also fascinating. His internal struggle between his loyalty to his family and what he knows is right makes his character complex.
Well, Aang is definitely up there. His journey as the Avatar makes him a central figure in fanfiction. Katara is popular because she's not only a powerful waterbender but also a very empathetic character. Zuko is beloved for his transformation from a villain - like figure to a hero. Toph is also a popular character in fanfiction. Her unique earthbending style and tough - girl attitude make her a great addition to any fan - created story.
Anakin Skywalker and Aang are quite popular. Anakin's journey from a young Jedi to Darth Vader could be paralleled with Aang's growth as the Avatar. They both have a lot of power and face internal struggles. Also, Luke Skywalker and Korra could be an interesting crossover. Luke's hero's journey could be compared to Korra's as she overcomes various challenges in her world.
There are several important characters. Aang is the central figure. He's the one who has to bring balance. Katara is crucial as she's not only a waterbender but also a great friend and support to Aang. Sokka may not be a bender, but his intelligence and skills are valuable. Prince Zuko has a complex character arc. He starts as an antagonist trying to capture Aang for his own redemption in the eyes of his father, but later he changes. Also, Toph, the earthbender, is an important addition later in the story as she helps Aang with his earthbending training.
Katara is another important character. She is a waterbender from the Southern Water Tribe. She is brave and often serves as a moral compass for the group. She also helps Aang in his waterbending training.
In the 'Avatar The Last Airbender Avatar Kyoshi Novel', Kyoshi is the central character. She is the one with the Avatar powers and the one on a journey of growth. Then there's Yun. He is a character who has his own story arc that intersects with Kyoshi's in interesting ways. And Hei - Ran, an important figure in Kyoshi's life, who imparts wisdom and training to her.
One popular storyline often involves the main character navigating complex relationships within the harem. For example, Aang might have to balance his duties as the Avatar with the emotions and needs of different characters in the harem. Another common plot is the development of individual relationships, like how Zuko could form a unique bond with a member of the harem while also dealing with his own redemption arc. Some fanfics also focus on the cultural differences between characters in the harem, which adds depth to the relationships and the overall story.
There's also Sokka and Suki's relationship. Suki was a strong and independent warrior from Kyoshi Island. Sokka was initially attracted to her strength and confidence. Their love story was fun and full of action. They had their ups and downs, like when Sokka was confused about his feelings, but in the end, they had a great relationship that showed two different yet complementary personalities coming together.