Leah Clearwater is also quite popular. As one of the few female shapeshifters, she has a lot of potential for character development in fanfiction. Writers might explore her feelings of being different among the mostly male shapeshifters and her own personal growth and relationships.
Sam Uley is another popular choice. As the alpha of the pack, he has a lot of authority and responsibility. Fanfiction could delve into his backstory more, like how he became the alpha and the decisions he has to make to keep the pack together, especially in situations not covered in the original Twilight story.
Weiss Schnee can be a great character in shapeshifter fanfictions too. Her family's connection to the Schnee Dust Company could lead to some interesting plotlines where she shapeshifts to access hidden knowledge or powers related to Dust, perhaps into a form that can better manipulate Dust than she already can.
The Children of the Forest are also common in shapeshifter fanfictions. They are already somewhat mysterious in the original series, and their connection to magic makes them ideal candidates for shapeshifting in fan works. Writers might have them shapeshift into different animals or even blend in with humans to protect their secrets or fight against their enemies.
Charizard is another one. A Charizard shapeshifter can bring in a lot of cool elements. It can be a powerful and intimidating presence, and when it shapeshifts, it might gain new abilities or appearances that are both fascinating and fearsome.
One great 'Twilight Bella Shapeshifter' fanfiction is 'Bella's New Form'. It explores Bella's transformation into a shapeshifter in a really interesting way. The author delves deep into how she copes with this new identity, her relationships with the other characters change, especially with Edward and the werewolf pack. It's a great read if you like stories that take the original Twilight concept and add a unique twist to it.
Bella and Edward are still very popular in 'twilight continued fanfiction'. Their love story is at the core of the original series, and in fanfiction, it often continues to be a central focus. Writers might explore different aspects of their relationship, like how they handle family life as a vampire couple.
Some of the more morally ambiguous characters tend to draw a lot of attention. They are not clearly good or bad. For instance, a character who might steal from one group to help another. Their actions are not always justifiable, but they make for very interesting character studies as readers try to understand their motives in the chaotic world of Twilight 2000.
Often, the emperor or empress is a popular character. Writers like to explore their motives and the power they hold. They might be portrayed as benevolent rulers or power - hungry tyrants.
Edward and Bella remain popular as they are the central characters of the original Twilight series. Their relationship is often further explored in the aftermath scenarios.
The Volturi, as the powerful vampire coven in Twilight, could be important characters in such fanfiction. They might view the mummy as a threat or an opportunity, and their interactions with the mummy could create a lot of drama and conflict in the story.
Well, often the main character who has the ability to summon twilight is very popular. They usually have a unique backstory that led them to discover this power.