In 'the black fairy story', the central figure is surely the black fairy. She could be accompanied by a young apprentice fairy who is learning from her, whether for good or bad. There might be a group of humans who are affected by the black fairy's actions, such as a family that lives near the fairy's domain. Additionally, there could be a magical animal, like a talking raven or a sly fox, that serves as either a messenger or a confidant to the black fairy.
The main character in the 'the black fairy original story' is the black fairy. Other possible main characters could be an elder fairy who acts as a mentor or antagonist to the black fairy. There may also be a group of forest spirits that the black fairy interacts with. These characters together would form the core of the story, with their relationships and interactions driving the plot forward.
The black dragon itself can be a main character. Writers might explore its backstory, its motives, and its personality. It could be a misunderstood creature, or a powerful and menacing force that the Fairy Tail guild has to deal with. In some fanfictions, the black dragon might have a name and a complex history that unfolds as the story progresses.
In a typical 'fairy man story', the main character would be the fairy man, of course. He might have a sidekick, like a small talking animal that is his friend and helper. If the story has a villain, it could be an evil witch or a dark fairy who wants to disrupt the harmony of the fairy world or the relationship between the fairy man and the human world. There could also be a human protagonist, a young girl or boy, who befriends the fairy man and together they face various challenges.
I don't really know as we haven't been given much about this 'Fairy Wars Story'. But it could be some powerful fairy queens or kings as main characters.
In 'fairy tail story', some of the main characters include Natsu, who is known for his fiery and impulsive nature. He has the ability to slay dragons, which makes him a powerful force. Then there's Lucy, who uses celestial keys to call upon spirits for help. Gray is another important character. He is an ice - make wizard and often has a bit of a rivalry with Natsu. There are also other characters like Erza, a strong and fearless female knight - like wizard, who plays significant roles in the various adventures and battles that take place in the story.
As I don't know the exact 'the little fairy story', it could have a little fairy as the main character, of course.
There might be a young fairy who is on a quest to discover the secrets, and she could be one of the main characters. Also, there could be an antagonist, perhaps another fairy who wants to keep the secrets hidden at all costs. There could also be some human characters if the story involves the interaction between the fairy world and the human world.
I'm not sure as I haven't read it. It could be a fairy as the title implies, and perhaps some children or a family that the fairy interacts with.
Most likely, the main characters would be the fairy wife herself and her human husband.
There's David Mason too. He's involved in many of the key events in the main story, especially those related to the future part of the plot.