Spyro himself is of course a very popular character to feature. He is the main protagonist, and his journey of growth and discovery makes for great fanfiction material.
Ignitus is a favored character as well. As an older and wiser dragon, he can be a mentor figure. Fanfiction can expand on his past, his knowledge of ancient dragon lore, and his influence on Spyro's development.
Laval is a very popular character. He is the prince of the Lion Tribe and his bravery and leadership make him a great focal point for many fanfictions.
Spyro is obviously a very popular choice. He's the main character, and there's a lot of room to explore his growth and development. Cynder is also popular. Her complex past and relationship with Spyro make her an interesting character to write about.
Gray Fullbuster is also a favorite. His ice - make magic and his rivalry with Natsu are great elements to play with in fanfiction. You can write about his past and how it affects his present actions. Erza Scarlet is very popular too. Her strong - willed and fearless personality, along with her amazing combat skills and her collection of armors, make her an interesting character to base a fanfiction around. She could be on a quest to find a new and powerful armor, for example.
Kakashi could be another popular one. His intelligence and wide array of skills, along with his mysterious past, can add a lot of depth to a Naruto Brutal Legend fanfiction. He could be the one guiding the other characters or be in the middle of some intense battles, using his quick thinking and combat experience to overcome the obstacles in the Brutal Legend world.
Link is by far the most popular. Since he is the main protagonist in the Zelda series, he is often the center of time travel stories. Writers like to explore his journey through different time periods, his growth as a hero, and how he copes with the changes that time travel brings.
In Legend of Spyro human fanfiction, there are several interesting human characters. For instance, the human thief character can be really engaging. They might use their stealth skills to steal valuable items from different places in the Spyro world, which could lead to various plot twists. Then there's the wise old human hermit who has lived in the Spyro world for a long time and has a deep understanding of its secrets. He can act as a guide for other human or dragon characters. Also, the human outcast, someone who has been shunned by their own kind but finds a new purpose and family in the world of Spyro.
Sakura is also quite popular. Fanfiction often focuses on her development as a kunoichi, her relationships with Naruto and Sasuke, and how she overcomes her insecurities. There are many stories that give her more agency and power than in the original series.
Dr. Colosso, the family's pet bunny who is actually a supervillain, is another popular character. Fanfiction might explore his backstory more deeply or have him team up with other villains in a plot to finally defeat the Thunderman family.
JD Fenix is also quite popular. As Marcus's son, he has his own story arc in Gears 5 that can be expanded upon in fanfiction. You can explore his relationships with other characters more deeply, like his friendship or rivalry with other soldiers. Del Walker is another character that fans like to feature. His unique personality and his role in the team can lead to some interesting fanfic stories.
Jareth is by far one of the most popular characters. His mysterious and powerful nature makes him a fascinating subject. Writers can explore his backstory, his relationship with the Labyrinth, and his complex emotions.