Obviously, the Cullens would be the main characters. Carlisle, as the patriarch, would play a crucial role in raising Bella. Esme would be like a mother figure to her. Edward would also be important, his relationship with Bella evolving from something different than in the original story. And of course, Bella herself is a central character.
In some stories, Bella could be the key to uniting different vampire clans. Since she's adopted by the Cullens, she might be seen as a symbol of a new way of vampire - human coexistence. This could lead to other vampires either trying to use her or trying to protect her from those who want to use her for their own gain.
Obviously, Bella and the Cullens are the main characters. Bella is the human girl who enters their world. And the Cullens include Edward, who has a special connection with Bella. Then there's Alice, who might be able to see the future and could play an important role in Bella's interactions with the family. And of course, Carlisle, the head of the Cullen family.
There could be a human character, perhaps a teacher or a neighbor who notices the strange situation with the Cullens and the little girl. This character could add some extra drama as they try to figure out what's really going on with this family that seems a bit different. They might suspect the Cullens are up to something not quite normal and start to investigate, creating more storylines.
The main characters are Bella and the Cullens. Bella is a human girl who is in a relationship with Edward Cullen, a vampire. The Cullen family includes Carlisle, Esme, Alice, Jasper, Rosalie, and Emmett.
There might be a kind - hearted doctor in the 'baby bella gets sick fanfiction'. The doctor would examine Baby Bella carefully, give accurate diagnoses and prescribe the right medicine. Also, her best friend could be a character. Her friend might visit her often and bring her favorite toys or books to make her hospital stay or time of being sick at home more bearable.
Obviously, Harry Potter himself would be a main character. He is the central figure in the Harry Potter series. Then, from the Cullen family, Edward Cullen would likely be a main character. He is the most prominent of the Cullens in the Twilight series and his abilities and personality would make for an interesting interaction with Harry.
Obviously, Bella and the Cullen family are the main characters. Bella is the adopted one. The Cullen family includes Edward, who has a special relationship with Bella, Carlisle who is like the father figure, Esme the motherly figure, and the other Cullen siblings like Alice, Jasper, Rosalie, and Emmett.
Obviously, Bella is one of the main characters. She is the one being adopted into the Cullen family.
Obviously, Bella and the Cullens are the main characters. Bella is the human who enters the world of the Cullens. And the Cullens include Edward, who has his own complex personality and abilities as a vampire. Then there's Alice, who might be able to see the future and plays an important role in Bella's interactions with the family.
Charlie, Bella's father, would probably be a significant supporting character. He might be initially shocked but then come around to support Bella and Jacob in raising the baby. The wolf pack could also be important. They might offer their protection and guidance to Jacob as he becomes a father.