Yusei Fudo is also a favorite. His strong sense of justice and his unique dueling skills can be used in many different plotlines. For instance, he could be a mentor figure to new students at the Duel Academy, teaching them about the true spirit of dueling.
Jack Atlas is often a popular choice. His confident and somewhat arrogant personality makes for great character development in fanfiction. Writers can explore his backstory more deeply and how he interacts with the Duel Academy environment.
One idea could be a new student arriving at Duel Academy with a unique deck that challenges the traditional dueling strategies. For example, a deck based on ancient spirits that has powers not seen before.
Some of the most popular Dark Signer OCs are those that have a connection to the existing Yugioh 5ds lore in a new and unexpected way. For instance, an OC who is related to one of the ancient dragons in the series but has become a Dark Signer. They bring a fresh perspective to the story, as readers are curious to see how this new element will interact with the established plotlines and characters.
Yugi is always a popular choice. His connection to the Millennium Puzzle and his skills as a duelist make him an interesting character to include. He could have a special encounter with one of the dragons.
Seth and Tory are very popular characters to feature. Their complex relationship and their roles as main characters in the original work make them interesting to write about in fanfiction. Writers can explore different scenarios for their relationship, like what if they had met under different circumstances at the academy.
One popular type of oc is the mysterious duelist. They often have a hidden past and a very powerful and unique deck. For example, an oc who shows up out of nowhere and starts winning duels with a deck full of cards that seem to have a connection to an ancient civilization.
Naruto is obviously a very popular choice. His journey from a trouble - making student at the academy to a great ninja is well - known, and fanfiction can explore different aspects of his time at the academy, like his relationships with Iruka - sensei or his first attempts at learning new jutsus.
Finn and Jake are definitely popular choices. Finn's heroism and Jake's laid - back yet powerful nature make them interesting to write about in the academy setting. They can get into all sorts of adventures together and with their friends at the academy.
Jack Atlas is really interesting. His over - the - top personality and his journey from being a satellite kid to a famous duelist provide a lot of material. You can write about his inner struggles, like his pride and how it sometimes gets in the way of his relationships. Another great character is Aki Izinski. Her dark past as a Dark Signer and her struggle to overcome that and become a better person can be really engaging to write about.
Rose Hathaway is definitely a popular choice. She's strong, feisty, and has a complex personality. Her relationship with Dimitri is also a big draw for fans, so featuring her in fanfiction can create a lot of interesting storylines.
It could be a rogue teacher at Duel Academy who has his own dark motives. He might be secretly researching dangerous dueling techniques and using students as guinea pigs for his experiments.