Faraday is another character that appears frequently in fanfiction. His role as a sort of 'villain' in the original story can be expanded upon. Some fanfictions might give him more complex motives or even a redemption arc, showing that there's more to him than just being a corpo bad guy.
Lucy is also a favorite. Her mysterious past and her unique skills as a netrunner make her an interesting subject. Fanfictions might explore her backstory more deeply, such as her time before she met David and what led her to become an edgerunner.
David is definitely one of the most popular. His journey from a nobody to a powerful edgerunner in the show makes him a prime focus in fanfic. Writers like to explore different paths his story could have taken. Lucy is also popular. Her mysterious past and her relationship with David are often delved into more deeply in fanfic.
Probably the main characters from the original work tend to be popular in fanfiction. They are well - known and have established personalities that writers can build on.
Some fanfictions feature a group of adventurers. They work together, each with their own strengths and weaknesses. Their group dynamics, like how they deal with conflicts within the group while facing the terrors of the backrooms, make for engaging reading.
Connor Tempest is another well - liked character. As a half - vampirate, he has this internal struggle between his two natures, which gives a lot of depth to fanfiction stories about him.
Sans is often a very popular character in Underverse fanfiction. His unique design and mysterious personality make him a favorite for many fans to write about.
Well, the slendytubbies themselves are quite popular. Their distorted and creepy versions of the original Teletubbies make them central figures. Laa - Laa in her slendytubbies form might be popular as she has a certain allure in her new, more menacing look.
Batman himself is of course extremely popular. He is the central figure, and in 1939 fanfiction, people love to explore different aspects of his character, like his detective skills and his relationships.
Liliana Vess is another popular one. Her dark past and her connection to death magic can lead to very interesting and often dark stories in Planeswalker fanfiction.
Grid is definitely one of the most popular. He is the main character in the original and his journey of growth and development makes him a central figure in fanfiction as well. His unique abilities and his complex personality attract a lot of writers to explore different aspects of him.
Neo, without a doubt. Since he's the One, there are countless fanfictions that revolve around him. Some might show his life before he was awakened, or what could have happened if he made different choices. Trinity is quite popular too. Her badass fighting skills and her connection with Neo draw a lot of attention. Writers might explore how she became such a skilled fighter or what she would do if Neo was not around. And then there's Agent Smith. He's an interesting character to write about in fanfiction. His transformation and his obsession with Neo can be delved into deeply.