Well, Harry is obviously one of the main characters since it's in the title. There might also be his vampire sire, the one who turned him into a vampire. This character could play a crucial role in guiding Harry through his new vampire life or perhaps be a source of conflict if they have different motives.
His friends from Hogwarts like Ron and Hermione could also be main characters. They might be initially unaware of Harry's transformation and their reactions when they find out could be a big part of the story. For example, Ron might be more fearful or distrustful at first, while Hermione could be more curious and try to find a way to reverse the transformation or at least help Harry manage it.
Well, of course, Harry is the main character as he is the one who has become a vampire. His friends like Hermione and Ron often play important roles too. Hermione might be trying to find a way to reverse Harry's vampirism, while Ron could be struggling with his feelings towards his vampire friend.
Bella is the central figure in these fanfics. Then, there could be new characters created specifically for the fanfic. But in terms of the original series, Edward is bound to be there. He'll have to adapt to Bella's new status. Also, Jacob might still be in the picture, perhaps having a more complicated relationship with vampire Bella. And of course, the other Cullens, who will be her family in the vampire world, are main characters as well.
Well, of course, Harry Potter is often one of the main characters. He brings his own set of skills and his reputation as 'the boy who lived'. Then there are the vampire characters. They can be original creations or sometimes based on existing vampire lore. For example, a common type of vampire character might be a brooding, centuries - old vampire who has a lot of knowledge about the hidden parts of the magical world.
Obviously, Harry is one of the main characters as the title indicates he is a dominant vampire in this fanfiction. But there could also be other characters from the original Harry Potter series, like Hermione and Ron, who might have different relationships with Harry now that he is a vampire. There could also be new characters introduced that are part of the vampire world.
Obviously, Harry is the main character. But often, his friends like Ron and Hermione also play important roles. They might be trying to help Harry deal with his new vampire status or having conflicts because of it. Sometimes, there are also original vampire characters created specifically for the fanfiction, who could be Harry's mentors, enemies or love interests.
Well, Ben is obviously one of the main characters. He brings his unique set of alien powers to the story. Then there are the vampire characters in the harem. Each vampire could have their own distinct personality, like a sultry and mysterious female vampire who is the leader of the harem, and a young, naive vampire who Ben has a special bond with.
There might also be some original characters created specifically for the fanfic. These could be other vampires in the coven, perhaps a mentor figure who is very old and wise, guiding the Bangtan vampires through their vampire lives.
Well, Bella is obviously one of the main characters. She is often the central focus, with her relationship with vampires being the main plot point. Edward is also commonly a main character, as in the original Twilight series, their relationship is a big part of the story. Jacob sometimes makes an appearance too, adding an element of conflict or friendship, depending on the direction of the fanfic.
Obviously, Bella is a main character as the title implies she is the one becoming a vampire. The Cullen family members are also likely to be main characters. Edward, who was in a relationship with Bella when she was human, will surely play an important role. Also, Carlisle, the patriarch of the Cullen family, might be involved in guiding Bella through her new vampire existence.
Obviously, Harry Potter would be one of the main characters. And the first vampire would be a central figure too. There might also be characters like Hermione and Ron, who could be involved in the story in different ways. For example, Hermione might be researching about vampires to help Harry understand the situation better.