Asmodeus is quite popular as well. His excessive vanity and his love for all things beautiful can lead to some really interesting storylines. Also, his ability to charm others and his complex view of love can be explored in many different ways in fanfiction.
Mammon is also very popular. His greedy yet endearing nature makes him a fun character to write about. His constant attempts to make money and his loyalty to the main character despite his flaws are great elements to play with in fanfiction.
Definitely Lucifer. He has a complex personality, being both strict and authoritative yet with a hidden soft side. Writers love to explore his backstory and his relationships with the other brothers.
Belphegor is quite an interesting character to write about. His lazy nature and his past actions (like his initial hostility towards the player character) can add a lot of depth to a fanfic. Diavolo, the future king of the Devildom, is also fascinating. His grand plans for the Devildom and his interactions with the other characters, especially the player character, can be really exciting to write about. And Barbatos, his loyal butler with his mysterious powers, is also a character full of potential in fanfics.
The main couple is often the most popular to write about. Their chemistry in the movie makes them interesting characters to explore further. For example, you can write about their daily life after getting married.
Scrooge McDuck is definitely one of the most popular. His long and adventurous past provides a wealth of material for fanfiction writers. Huey, Dewey, and Louie are also very popular. Their different personalities and the fact that they are always getting into mischief makes for great stories. Webby is another favorite, especially when exploring her unique upbringing and her eagerness to learn about the world around her.
The Braverman parents are often popular. Their wisdom and the way they hold the family together make them interesting to write about. Also, Adam Braverman is a great character. His dedication to his family and his struggles in his career can be explored in many ways. And Sarah Braverman, with her complex love life and her journey of self - discovery, is another favorite.
Daniel Park is often a popular choice. His dual - body situation provides a lot of room for exploration. Writers can delve into how he manages to balance his two very different lives and appearances, and how it affects his relationships with others.
Vanessa is also a favorite. Her ambition and her relationship with Usnavi give a lot of room for creativity. You can write about her fashion career and how she balances it with her love for the Heights.
John Koenig is often a popular choice. As the commander, he has a lot of responsibilities and leadership qualities that can be explored in different situations. Helena Russell is also popular. Her medical skills and her relationships with the other crew members offer many story - telling possibilities. Another popular character is Alan Carter. His piloting skills and his adventurous nature make for exciting storylines.
Zed is definitely a popular choice. He's the main zombie character and has a lot of growth throughout the story. You can explore his relationships further, like his relationship with Addison.
Jackson Storm is also quite popular in Cars 3 fanfiction. He's the new, fast, and somewhat cocky racer. Writers can focus on his character development, like what made him so competitive. They can also write about his interactions with the other racers outside of the races. Mater is also a beloved character. Fanfiction about him could involve his crazy adventures in the Cars 3 world, or his role in helping Lightning McQueen in a different way than what was shown in the movie.
The main protagonist of Heatwaves is often a popular choice. Writers can explore their thoughts and actions during the heatwave in more depth. Also, any character with a strong personality that can be put into challenging situations during the extreme heat.