There could be some original characters created for this fanfiction. Maybe a midwife or a magical healer who was present at Harry's birth and has a significant role to play in the story. It could also include characters like Dumbledore or other members of the Order of the Phoenix who might be involved in protecting Harry from the start.
It's possible that the antagonist in the fanfiction could be Voldemort or his followers. Since Harry's birth is such a crucial event in the battle against Voldemort, they might be trying to interfere or have some sort of evil plan related to his birth, which would make them key characters in the story as well.
I'm not sure exactly as I haven't read this specific fanfiction, but likely Harry Potter himself would be a main character since it's about his birth. His parents, James and Lily Potter, are also likely to be important characters in the story.
Well, it could be about a unique take on Harry Potter's birth. Maybe it presents an alternative backstory for his family or a different magical context surrounding his birth. For example, it might explore how certain magical artifacts or spells were involved in a way not shown in the original books.
Obviously, Harry Potter would be one of the main characters as the title implies he is born a god. Hermione and Ron are likely to be important characters too, as they are Harry's closest friends in the original series. There could also be new characters introduced, perhaps other powerful wizards or magical creatures who either help or oppose Harry in his new, god - like state.
There could be new characters introduced as well. Maybe a mysterious wizard from a far - off land who has a significant impact on the story. They could bring new magical knowledge or a different perspective on the wizarding world.
Hermione and Ron might still be in the story, but their interactions with Harry would be completely changed. Since Harry is a Malfoy, they might initially be enemies or at least very suspicious of him. However, as the story progresses, they could see the good in him that is still there despite his Malfoy background. And Dumbledore would also be an important character, as he might try to guide Harry away from the darker Malfoy influences.
Draco Malfoy is also a common focus. Fanfiction might show a different side of him, perhaps if he had been born into a more liberal pure - blood family. His complex character and his journey from a bully to someone with more depth in the original series make him an interesting subject for new stories.
There could be a wise old wizard who has knowledge about the true nature of the Master of Death and becomes Harry's mentor. Maybe a powerful magical creature that is drawn to Harry's power and offers its assistance.
Hermione is often still a very important character paired with female Harry. Their friendship could be even more complex and deep, as they support each other through the challenges at Hogwarts. Ron is also a common character paired with her. Their relationship might develop in a different way, perhaps with a bit more of a romantic undertone compared to the original. Draco Malfoy is another popular one. There could be a more interesting dynamic between them, with Draco being both attracted and antagonistic towards her at the same time.
Obviously, Harry Potter himself would be the central character as he is the one undergoing the transformation into a born vampire. His friends like Hermione and Ron would also be important characters. They would likely play a role in either helping Harry adjust or being conflicted about his new state.
Neville Longbottom could be a central figure in some Harry Potter Rebels fanfiction. He has shown great courage and the ability to stand up against the dark forces. In fanfictions, he might lead a rebellion against some corrupt elements in the Ministry of Magic. His growth from a shy boy to a brave hero in the original series gives him great potential to be a main character in these rebellious stories. And Luna Lovegood could also be important, with her unique perspective and disregard for convention, she could inspire others to rebel in the fanfiction world.
Another possibility is a new character created specifically for this fanfiction. This character could be a scientist or a wizard from a different part of the world who has knowledge of both nanotechnology and magic, and they bring the concept of nanobots into the Harry Potter universe.