Well, obviously Bella Swan is one of the main characters. Her sister, who is a siren, is also a main character. Then there would likely be characters from the Twilight series like Edward Cullen, Jacob Black, etc. as they interact with Bella and her sister.
One interesting plotline could be the sister having special powers that she has to hide from the Cullens. Maybe she can communicate with sea creatures and this causes some confusion and mystery in the story.
A common theme might be the reaction of the other Twilight characters to Bella as a siren. Edward, for instance, could be both fascinated and worried about this new side of her. Also, the Volturi might see her as a threat due to her siren abilities. This could lead to conflicts and power struggles within the Twilight universe.
Edward can be really interesting. His relationship with Bella takes on a new dimension when she's a siren. He has to grapple with his love for her while also being cautious of her new powers. Another character could be Jacob. His loyalty to Bella might be tested as she becomes something different, and he might have his own mixed feelings about her siren side.
Yes, there are likely fanfictions out there with this concept. Fanfiction writers often come up with unique crossovers, and the idea of Bella Swan from 'Twilight' being Elsa's twin sister is a creative and out - of - the - box concept that could be explored in fan - created stories.
Yes, in some fanfictions, creative authors might rewrite the storylines to make Bella Swan be Jane's sister. It allows for a whole new set of plot developments, relationships, and character interactions.
There are indeed. In such fanfictions, Bella might face new challenges different from those in the Twilight saga. As a Winchester sister, she would be involved in battles against the supernatural forces. Some fanfictions may also focus on the relationships she forms with other characters in the Supernatural world, like Castiel or Bobby. The crossovers can create some really engaging storylines.
There may be. Fanfiction is a place where all kinds of wild ideas are explored. The idea of Bella Swan being Dracula's sister is an interesting one as it combines the modern vampire - human love story of Twilight with the classic and more menacing vampire concept from the Dracula story. It could lead to some really interesting plot twists, like how Bella's new relationship to Dracula might affect her relationship with the Cullens or her life in Forks in general.
One common theme is family loyalty. The sister often stands by Bella through all the strange events in Forks. Another theme is self - discovery. As the sister witnesses Bella's experiences, she also starts to learn more about herself.