In addition to Bella, her family members are likely to be part of the story. Her mother could be a source of both wisdom and worry, while her father might be more reserved in his reactions. There could be a neighbor who has had children of her own and offers Bella some much - needed advice. And don't forget about the baby! Even though it's just been born, it can be a character in its own right, with its own needs and presence that affects the story.
The Cullen family members are also key. Carlisle, as the patriarch of the vampire family, would be involved in the medical aspects of Bella's pregnancy and birth. Esme, with her motherly nature, would be there to support Bella. Alice, with her ability to see the future, could be crucial in predicting any problems during the birth. Jasper, too, would be part of the family's support system, even if his power of influencing emotions might not be directly related to the birth.
One possible plot could be that Bella's journey through pregnancy is filled with challenges. Maybe she has to deal with difficult family reactions. For example, her parents might be initially shocked but then gradually come around to support her. There could also be a focus on her relationship with the baby's father, whether it's a loving relationship that strengthens during this time or a more complicated one where they have to work through issues.
Obviously, Prowl would be the main character. There could also be her partner, if she has one. Maybe a friend or a family member like her mother or sister if that applies in the story's context.
If it's a more modern - day or non - supernatural setting, Bella's parents could be main characters. They might be overjoyed at the birth of their grandchildren and be actively involved in their upbringing. They could provide financial support or just be there for emotional support for Bella, especially during the tough early days of raising twins.
Obviously, Ana herself would be the central character. Her partner could be an important character too, being there for her during the pregnancy and birth. Maybe her mother or a close female friend who offers advice and support.
Jacob could also be a popular character. If Bella is not human, his loyalty and friendship towards her might be tested in new ways. He could be either accepting of her new form or struggle with the changes in their relationship.
Obviously, Clary herself is the most important character as she's the one giving birth. Her partner would also be crucial, providing support and sharing the joy of the new arrival.
Aphmau herself is obviously a main character. Aaron is often another important character as he is her significant other in the Aphmau series. He would be there to support Aphmau during the birth process. Also, her friends like Katelyn and Kawaii - chan might be present, offering their own unique forms of help and adding to the story's charm.
The 'bro' could be another important character. It might be a friend of Harry's like Ron or Hermione, who has been transformed into a 'bro - like' figure for the purpose of this fanfic. There could also be a healer or a wizard who is an expert in the strange magic that caused Harry to give birth. Maybe Dumbledore could also make an appearance to guide Harry through this difficult situation.
One common theme is the celebration of new life. It often shows the joy and excitement around the baby's arrival. Another theme is the transformation of Bella as a character, becoming a mother and all the changes that come with it.