In addition to the dark goddess, there could be mortals who are affected by her presence. These mortals might be the ones who discover her existence and then get involved in the events related to her. They could be the ones who try to understand her nature, or they could be accidental victims of her actions, all of which could make them important characters in the story.
Perhaps there are heroes or anti - heroes in the 'the dark goddess fanfiction'. They could be characters who oppose the dark goddess, trying to stop her from achieving her goals, whatever they may be. And there could be other deities or powerful beings who interact with the dark goddess, either as allies or enemies, and they would also be main characters.
Obviously, Twilight as the dark goddess is a main character. There might also be characters like her loyal minions or servants who help her carry out her will.
I don't know for sure, but since it's about a bronze goddess, she is likely one of the main characters. There might also be other characters like her followers, or perhaps characters who oppose her.
Naruto, the protagonist of his own story, brings his ninja abilities, his determination, and his unique personality into the fanfiction. The cat goddess, on the other hand, is a character full of mystery. She might have the ability to transform, control elements related to cats like cat - like agility or some kind of cat - themed magic. There could also be other supporting characters from the Naruto universe, like Naruto's friends or teachers who might play a role in the story related to Naruto's interaction with the cat goddess.
Since it's fanfiction, the author has the creative freedom to introduce all kinds of characters. It could be a group of misfits, and the main character, the beacon in the dark, could be an outcast among them who eventually shows them the way forward. Or it could be a story centered around a mentor - like figure who is the beacon for a younger generation of characters trying to find their place in a complex and often dangerous fictional world.
Since I don't know the exact 'the dark gamer fanfiction', it's hard to say for sure. But it could be the gamer themselves as the main character, who might be an outcast in the real world but a force to be reckoned with in the game world. There could also be a mentor - like figure who guides the gamer through the dark aspects of the game, or an antagonist who tries to stop the gamer from achieving their goals in this dark gaming journey.
Obviously, Dark Bonnie is a main character. He is often depicted as a menacing and mysterious figure. Other characters can include Freddy, Chica, and Foxy from the same animatronic group. They are usually in conflict with Dark Bonnie in some way.
Well, obviously, the dark dragon is likely to be a main character. It could be a powerful and mysterious being with its own goals and desires.
Well, obviously, the dark apprentice is one of the main characters. They are likely to be a complex character with a troubled past and a lot of potential for growth.
Often, there's the powerful Emperor who rules the Dark Empire with an iron fist. His presence is felt throughout the story as he makes crucial decisions for the empire.
Since I haven't had the chance to read 'beacon in the dark fanfiction', it's hard to say exactly who the main characters are. However, in a typical fanfiction with such a title, you might expect to find a protagonist who is either searching for the beacon as a source of salvation or a character who is the 'beacon' themselves, with other supporting characters who either aid or oppose them in their journey or purpose.