Well, Bran Stark can show up as the nerdy kid who is really into technology or something similar, like hacking into the school's system to uncover secrets. Cersei Lannister might be the mean girl, the queen bee who will do anything to stay on top. And Samwell Tarly could be the overweight but really intelligent student who is often underestimated but ends up being a great help to his friends in various high school situations.
Tyrion Lannister is a likely character. He was known to frequent brothels in the original series. His presence in brothel fanfiction could add a lot of interesting dynamics, like his witty banter with the brothel workers or getting involved in some sort of trouble there.
Daenerys Targaryen is often made into an overpowered character in fanfiction. Her already - strong position in the series can be amplified, like giving her the ability to control all dragons at once without any limitations, instead of the gradual growth in power she had in the original story.
In some fanfictions, Gendry is paired with Melisandre. Given her mysterious nature and her past interest in Gendry in the show, it makes for an interesting pairing. Their relationship could be explored in terms of power, magic, and the manipulation that might occur between them as they navigate the complex world of Westeros.
One of the most popular assassin characters in Game of Thrones fanfiction is Arya Stark. In the original series, Arya has assassin - like training in Braavos. In fanfiction, her skills are often enhanced and she is sent on all kinds of secret and dangerous missions. Another could be Jaqen H'ghar. His mysterious nature and assassin skills make him a fascinating character to explore further in fanfiction. He can change his face, which adds an extra layer of intrigue to his character in fan - made stories.
Jon Snow is very popular. He has a complex backstory and his character arc in the original series leaves a lot of room for fanfiction exploration. Fans often write about his life after the events of the show, or they create alternate scenarios for his journey. Daenerys Targaryen is also a favorite. Her dragon - riding and her quest for the Iron Throne make for exciting fanfiction material.
Arya is often paired with Robb. They have a strong bond as siblings, and in fanfiction, they might team up to take revenge on their enemies or work together to restore the Stark family's honor. Arya's skills as an assassin could be very useful in Robb's campaigns.
Sansa Stark is a very common character to be featured. Since she had such a complex and evolving storyline in the original series, fanfiction writers love to explore different paths for her. They might write about a more powerful Sansa who takes control of the North much earlier than in the show.
Sansa Stark is often paired with Ramsay in fanfiction. Their relationship in the original series was extremely dark, and in fanfiction, some writers might explore a different side of it, like Sansa finding a way to manipulate Ramsay or even Ramsay having some strange form of obsession with her that goes beyond his usual cruelty.
The Master Chief is often a popular character. His badassery from the Halo series translates well into the complex world of Game of Thrones. He stands out as a strong and honorable warrior, much like some of the fan - favorite characters in Game of Thrones like Jon Snow.
Daenerys Targaryen is often very popular. Her dragons and her journey from an exiled princess to a powerful queen give a lot of room for fanfiction. Another popular one is Tyrion Lannister. His sharp wit and complex character make him a great subject for all kinds of different stories.