There could be some side characters that gain popularity in fanfiction. Maybe a character who was only briefly in the original but has a really interesting backstory that fans explore more deeply in their stories.
Often, the main protagonists from the original Dark Skies are popular in fanfiction. They are the ones that fans like to expand on and give new adventures to.
New characters created by fanfiction writers can also become popular. These are characters that they introduce to add new elements to the Dark Skies universe, such as a brilliant scientist who has a unique way of dealing with the threats related to the dark skies.
There are also side characters in Dark Dark Fruit fanfiction that gain popularity. These could be characters who are friends or allies of the Dark Dark Fruit user. They might have unique abilities that complement the powers of the Dark Dark Fruit, and their relationships with the main character add depth to the story.
It could be a powerful sorcerer. In the Dark Skies world, a sorcerer with dark magic could oppose Jesse. This sorcerer might be after the same magical artifacts as Jesse or simply wants to rule the Dark Skies with an iron fist.
Mercury herself is of course a central character. Often, her friends or allies from the original story also play important roles. For example, if it's in a certain universe, characters like Sailor Moon might be in the fanfiction trying to save or stop Mercury.
The Strangers are also popular. Fanfiction writers might explore their culture, their reasons for creating the Dark City, and their relationship with the humans from a different perspective. They can be portrayed as more sympathetic or even more menacing in fan - created stories.
In this type of fanfiction, anti - heroes can be quite popular. They might be characters who are not entirely good but are forced to do the right thing in the face of the dark elements in the story, like a thief who has to help save the town from the dark snow - related threat. These characters add an interesting layer of complexity to the story.
In dark arthur fanfiction, Arthur is the main focus, of course. But characters like Guinevere can also be important. In some stories, she has to deal with the changed Arthur. Lancelot might also be involved, perhaps as a rival or an ally in the complex world of a dark Arthur. Mordred is another character that often shows up, as his relationship with Arthur is already complex in the original legend and can be further explored in the dark versions.
Often, the main protagonist from the original Dark Labyrinth is still popular in fanfiction. Their journey through the labyrinth, facing various obstacles, makes them a central figure. For example, if there was a brave adventurer in the original, they would be a key character in many fanfictions.
Dark Naruto himself is often a very popular character in such fanfiction. His transformation into a darker version of himself brings a whole new level of complexity and power. Dark Kyuubi is also quite popular as it adds an element of danger and mystery. Additionally, characters like Sasuke might also be popular as he could potentially have an interesting dynamic with Dark Naruto, either as an ally or an enemy in the dark - themed story.
Goku is often a popular character in 'dark super saiyan fanfiction'. His powerful base form makes it interesting to explore how he could turn dark. Writers might depict him turning dark after facing an unbeatable foe that kills his friends and family, pushing him over the edge.
Judy Hopps is often a central character in Zootopia dark fanfiction. Her idealism can be twisted in a darker version. For example, she might start to question her own beliefs when faced with the harsh realities of a corrupted Zootopia. Nick Wilde is also popular as he can be portrayed as either a reluctant hero or a character who has to adapt to the new, darker environment in different ways.