Hermione Granger remains very popular. In alternate timelines, she can often be portrayed as even more powerful or having different roles. For example, she might be a leader in a wizarding revolution. Harry Potter himself is also a central figure in most of these fanfictions, with his story being tweaked in various ways. And Draco Malfoy is often a popular character as well. His complex personality allows for a lot of interesting character development in alternate timelines, such as him becoming an ally to Harry instead of an enemy.
One of the most popular characters in harry potter alternate timeline fanfiction is Ginny Weasley. In different timelines, she can be shown as having a more active role in the fight against Voldemort from the very beginning. She might be a powerful witch with abilities that are explored more deeply. Another popular character is Albus Dumbledore. People like to explore different versions of him, like what if he had made different decisions regarding Harry or how he would handle a different kind of threat. And Remus Lupin is also popular. His lycanthropy can be a central point in alternate timelines, such as finding a complete cure or using his werewolf form to an advantage in battles.
Itachi is a very popular character in these fanfictions. In alternate timelines, fans explore what could have happened if he hadn't carried out the Uchiha massacre. Maybe he could have been a positive force in the Uchiha clan's growth and in the overall ninja world. Another popular character is Jiraiya. In different timelines, his influence on Naruto could be altered, or he could have different adventures that change the course of the ninja world.
Kirk is often very popular. He's a classic character, and in alternate timelines, writers can explore different aspects of his leadership and his relationships. Spock is also a favorite. His logical mind and his relationship with Kirk can be re - explored in interesting ways. Uhura is another popular character. In alternate timelines, she might have different roles in communication or diplomacy, which is exciting to read about.
Harry Potter himself is still very popular in alternate reality fanfiction. Writers often like to explore different versions of him, like a more powerful Harry or a darker Harry. Hermione Granger is also a favorite. She can be depicted in scenarios where she uses her intelligence in new and unexpected ways. Draco Malfoy is another popular character. In alternate realities, he might be redeemed or become an even bigger villain.
Definitely, Luna Lovegood is quite popular in these fanfictions. Her unique personality and way of seeing the world make her a great character to explore different endings with. She could end up being a key figure in saving the wizarding world in some alternate stories. Snape is also highly popular. Since his character had so many layers in the original, fans love to play around with his story in alternate endings. Maybe he gets a happy ending where his love for Lily is not in vain. Neville Longbottom is also a favorite. He could become a much more powerful wizard than in the original, with different roles in the fight against Voldemort.
Ron Weasley is popular too. In alternate fanfictions, his loyalty and humor can be explored in different ways. For example, he might be the one to figure out a crucial clue in the Goblet of Fire - related mystery. And of course, Voldemort. Writers often delve deeper into his motives and backstory in these fanfictions, especially in relation to the events that the Goblet of Fire sets in motion.
Hermione Granger often remains popular. In alternate fics, she might be portrayed as an even more powerful witch, leading new magical research or changing the way magic is taught. Harry Potter himself is also a common focus, maybe with different powers or a different role in the wizarding world.
Severus Snape is a fan favorite in alternate universe stories. People are interested in seeing his character developed further, perhaps in a world where he didn't have such a complex relationship with Lily Potter. Harry Potter himself is, of course, a popular choice. Fanfic writers might create scenarios where Harry discovers his magic much earlier or has different adventures outside of Hogwarts that change his character development.
Tom Riddle (before he became Voldemort) is a popular character to explore in alternate universes. Writers can delve into his early years, his time at Hogwarts, and what could have been different to prevent him from turning into the Dark Lord. Also, the Weasley twins are often used in fanfiction. Their prank - loving nature can be used to create all kinds of chaos and humor in different universes.
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.
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.