As I don't know the exact 'the little fairy story', it could have a little fairy as the main character, of course.
Maybe the main characters are the little fairy and her fairy friends. They could be working together to save their fairy kingdom from some sort of danger.
It could be a child as the main character. A curious and imaginative child who discovers the little fairy door and then enters the world of the fairies. The child would be the one to interact with the fairies, learn from them, and have all kinds of adventures in their world.
In the 'chicken little fairy tale story', the central character is Chicken Little. This little chicken is the one who starts the whole commotion by believing the sky is falling. Then there are other characters such as Henny Penny. Henny Penny is easily influenced by Chicken Little and follows along in the panic. Ducky Lucky and Goosey Loosey are also part of the group that gets caught up in the false alarm. They all play important roles in showing how the misinformation spreads and how different characters react to it, whether it's believing it immediately like Henny Penny or just going along with the crowd like the others.
The little mermaid is of course the main character. She is a beautiful and kind - hearted mermaid who dares to pursue her love for a human prince.
Obviously, the two key characters are the little girl, who experiences the loss of a tooth, and the tooth fairy, who comes to take the tooth and give a reward. The little girl is often portrayed as innocent and excited about the tooth - losing event, while the tooth fairy is a magical figure full of mystery.
There could be an animal as well. In some little fairy stories, a little rabbit might be a main character. The fairy might help the rabbit when it gets lost or in trouble. So, the combination of the fairy and the animal makes for an interesting story.
The main character is of course the little match girl herself. She is a poor, young girl trying to sell matches in the cold street.
If it's related to the traditional Little Red Riding Hood story, the main characters are likely Little Red herself and the wolf. Little Red is usually a young girl on her way to visit her grandmother. The wolf is the antagonist who tries to deceive her.
The main characters are the little mermaid herself, the prince she falls in love with, and the sea witch. The little mermaid is the protagonist, full of longing for the human world. The prince is the object of her love. And the sea witch is the one who makes her deal possible but also causes her a lot of trouble.
The main characters are the little mermaid herself, the human prince, and the sea witch.
There are three little pigs, right? One built a house of straw, another of sticks, and the third of bricks. And then there's that mean old wolf. The pigs are the main characters because the whole story is about their attempts to build safe homes and avoid being eaten by the wolf. The wolf is also very important as he drives the action in the story by trying to break into the pigs' houses.