Often, Harry Potter is one of the main characters as it's a crossover. The fem serpent character is also a main character. She could be a new student at Hogwarts who is part - serpent, or she could be a mysterious figure from outside the school who enters Harry's world.
Hermione might also be an important character in some of these fanfictions. She could be the one who first discovers the fem serpent's secrets or tries to help her integrate into the wizarding world. Another character could be Draco Malfoy, who might have a different kind of interaction with the fem serpent compared to Harry. For example, he could be initially suspicious or even hostile towards her due to her different nature.
In many 'Harry Potter x fem serpent fanfiction' stories, Dumbledore also plays a role. He might be the one who has some prior knowledge about the fem serpent or her kind. He could be guiding Harry and the others in their interactions with her. And of course, the fem serpent herself is a central figure, with her own personality, motives, and backstory that drives the plot forward.
In 'Dark Lady Fem Harry Potter Fanfiction', the central figure is Fem Harry as the Dark Lady. Hermione is frequently present. She could be trying to bring Fem Harry back to the light side or be in a power struggle with her. Ron is there too, sometimes as a loyal friend to Fem Harry, other times as someone who is wary of her new dark persona. Additionally, characters like Draco Malfoy often play a part, perhaps as a rival or an unexpected ally to the Dark Lady Fem Harry. The Hogwarts professors are also important, as they try to deal with the situation of having a Dark Lady in their midst.
Well, Harry Potter is almost always a main character. He is the hero of the original story, and fans like to see his story continue. Hermione and Ron are also main characters as they are Harry's closest friends. However, in some fanfictions, Draco Malfoy can also become a main character. He might have redeemed himself after the events of the original series and is now working with Harry and his friends to face new challenges in the wizarding world.
Obviously, Harry Potter himself could be a main character. He might be drawn into the story of the serpent king due to his inquisitive nature and his constant fight against dark forces. His friends like Hermione and Ron could also be involved, providing their unique skills and knowledge.
There could also be original characters created specifically for the fanfiction. For instance, a young wizard or witch who has a natural affinity for serpents and is an outcast because of it. They meet Harry and together they explore the mysteries related to the serpent. This character could bring a fresh perspective to the story and have their own backstory and motives.
There's also 'A Fem Serpent's Adventure in Potter's World'. In this fic, the female serpent could be from a different magical realm and gets involved in the events at Hogwarts. It could show her trying to adapt to the new environment while also dealing with the mysteries and challenges there. For example, she might help Harry solve a difficult mystery using her serpent - like instincts.
There could be a young Salem witch named Lily. She befriends Fem Harry Potter and shows her around Salem. Lily could be very knowledgeable about the local magic and help Fem Harry Potter understand the differences between Hogwarts magic and Salem magic.
There could be an original character who is a descendant of the Uchiha that somehow ends up in the wizarding world. This character could teach fem Harry Potter about the Uchiha ways. Also, Dumbledore could play a role as he always encourages Harry's exploration of different knowledge, and he might be curious about the Uchiha knowledge that Harry is so interested in.
Well, the central character is the fem Harry Potter as a tribrid. In addition to her, there could be new characters created specifically for this fanfiction. For example, there might be other tribrids or half - breeds that she meets and forms alliances with. And of course, we can't forget about the old favorites like Dumbledore. He might still be a guiding figure for her, perhaps helping her understand and control her new powers as a tribrid. And then there are the antagonists. There could be people in the wizarding world who oppose the existence of tribrids and would try to harm or suppress her.
Often, Harry Potter himself is a main character. Since he's the protagonist of the original series, it makes sense that he'd be involved in a hypothermia - related situation in fanfiction.
Harry Potter is central as the story often revolves around his relationship with his godfather Sirius. Hermione and Ron may also be main characters as they are Harry's best friends in the original series. But in 'godfather Harry Potter fanfiction', they might interact with Sirius in different ways. For instance, Sirius could give them special magical training or advice that they don't get in the original books. Additionally, Severus Snape can be a key character as his relationship with Sirius and Harry can be explored in new and interesting ways in these fan - created stories.