There's no way to know without actually reading the 'out of the dark valley fanfiction'. But it's common for fanfictions to have protagonists who are central to the story's plot. They could be characters with special abilities or just ordinary people who find themselves in extraordinary circumstances within the dark valley.
Since I haven't read it, I can't say for sure who the main characters are. They could be original characters created by the fanfiction writer, or they might be characters borrowed from an existing franchise that the fanfiction is based on.
I'm not sure specifically as I haven't read that particular fanfiction. But generally, a fanfiction with a title like 'out of the dark valley' might be about a character or characters emerging from a difficult or gloomy situation, perhaps a physical dark valley that could symbolize hardships, like a place of danger, despair or mystery that they have to escape from or overcome.
I'm not sure who the main characters are without more context. It could be a group of settlers who tried to make a living in the valley. They might have had different personalities and goals, some aiming to farm the land, while others were more interested in mining. There could also be a guide figure, someone who knew the valley well and led others through it.
I don't know for sure as I haven't read it. But the orphan is likely to be one of the main characters. There might also be some people who help or oppose the orphan in his/her journey.
I don't know who the author of the 'dark valley novel' is. There are so many novels out there, and without more information, it's difficult to determine the author.
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.
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.
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.