Obviously, the twins Fred and George themselves are extremely popular. Their mischievous nature and unique bond make them central characters in most of these fanfictions.
Hermione is also quite popular in twin fanfiction. She often gets involved in the twins' schemes, either trying to stop them from getting into too much trouble or joining them in their pranks. Her intelligence combined with the twins' creativity can lead to some really interesting storylines.
Obviously, Harry and his twin are the central characters. But other popular characters often include Hermione and Ron. They would be involved in the new adventures and relationships that the twin's existence brings. Also, Dumbledore would still play a crucial role. His interactions with the twin would be very interesting, especially if the twin has some unexpected abilities or a different destiny. Snape could also be a popular character in these fanfictions. His attitude towards the twin, whether it's suspicion or grudging respect, can add a lot of depth to the story.
Severus Snape is often a prominent character in these fanfictions. His complex relationship with the Potter family could be explored further. He might have a different attitude towards the twin sister, perhaps seeing in her some qualities that remind him of Lily Potter. This could lead to some interesting interactions and plot developments, like him secretly protecting her or teaching her some advanced potions techniques. Dumbledore is also popular. His all - knowing and guiding role can be enhanced in the fanfiction, as he might have special plans for the twin sister in the fight against Voldemort.
Luna Lovegood is also quite popular in these fanfictions. She and the twin sister could bond over their shared belief in things that others might find strange. They might go on adventures in the Forbidden Forest together, looking for the Crumple - Horned Snorkack. And of course, Ron is always a key character. He could be like a big brother to the twin sister, and they could have a lot of funny moments together, especially when it comes to food at Hogwarts.
Harry himself is often very popular. Fanfiction writers like to explore his thoughts and feelings during the events of the second book more deeply. Hermione is also a favorite as she's so intelligent and resourceful. Writers might put her in situations where she uses her wits in new and exciting ways.
Sirius Black is often very popular. His mysterious past and his connection to Harry make him a great character to explore in fanfiction. Hermione Granger is also popular as she is intelligent and her actions often drive the plot in the third book.
Luna Lovegood is beloved in fanfiction. Writers might create stories where she discovers new magical species or has unique adventures. Sirius Black is also very popular. Fan - created stories could be about his time as an Animagus, his relationship with James Potter and Remus Lupin, or his life on the run. Additionally, Ginny Weasley is often a key character in fanfictions, especially those dealing with her relationship with Harry and her own growth as a witch.
Harry Potter himself is often a central and popular character. Fans love to explore different aspects of his character, like his growth as a wizard and as a person. Hermione Granger is also popular as she can bring her intelligence and quick - thinking to new situations in the fanfiction. Ron Weasley too, as he provides the humor and loyalty that fans adore.
Hermione Granger can also be a popular character. She could use her intelligence to analyze the best surfing spots and the magical properties of the ocean. Maybe she figures out how to use a spell to make the water more buoyant for better surfing.
In Harry Potter RWBY fanfiction, Ron Weasley is a beloved character to include. His loyalty and humor can add a different flavor to the RWBY stories. Blake is another popular one. Her stealthy nature and her own journey of self - discovery can be related to some of the character arcs in Harry Potter. For example, her search for equality for the Faunus could be compared to the fight for equality among wizards and non - wizards in Harry Potter.
Harry Potter himself is often very popular. He's the hero of the original series, so in fanfiction about fighting, he's usually at the center of the action. His Gryffindor courage and his skills with a wand make him a natural choice for exciting fight scenes. Hermione is also popular. Her intelligence can be a great asset in battles, as she can come up with clever strategies. And of course, Draco Malfoy. He has that Slytherin cunning and in fanfiction, he can be either an antagonist or sometimes an unexpected ally in fights.