I don't know for sure as I haven't read it. But it could be the person who makes the wish at the well.
It's likely that there's a character who has a special connection to the wishing tree. Maybe an old man who has been guarding the tree for years. And then there are the villagers or people from the surrounding area who come to the tree with their various wishes. There could also be a character who doesn't believe in the tree's power at first but then has a change of heart.
In 'the wishing well children's story', the main characters are the children. There could be a little boy who is always full of big ideas and a little girl who is more cautious. There might also be an older child who acts as a leader among them. These children are the focus as they approach the wishing well, make their wishes, and deal with the consequences of those wishes. They are the ones whose adventures and growth we follow throughout the story.
Well, in a typical 'the wishing well short story', it could start with a character who is in a difficult situation, like being poor or lonely. They come across the wishing well and make a wish. The story might then show how the wish starts to come true in unexpected ways. Maybe there are some obstacles along the way, like other characters who try to stop the wish from being fulfilled. And in the end, the character either gets what they truly wanted or learns an important lesson about the nature of wishes.
There could be a young girl as one of the main characters. She might be the one who first discovers the wishing star and starts the adventure.
There might be a person who discovers the wishing fish, perhaps a child or an adventurer. They would be a main character as they interact with the fish and drive the story forward. There could also be other characters in the story, like the child's parents or friends who get involved in the events related to the wishing fish, either by helping or trying to stop the wishes from being made.
Not having read 'the wishing chair again full story', I can only assume the main characters. In similar stories, we often see brave and curious children. Maybe in this story, there is a group of children who find the wishing chair together. One of them could be the leader, the one who makes the first wish or decides where they will go with the chair. There might also be an older character, like a wizard or a fairy, who gives them some guidance about the proper use of the chair. And of course, there could be some antagonists, characters who try to stop the children from using the chair for good.
I'm not sure since I haven't read it, but it could be a young protagonist who is curious about the wishing game.
The main character is the fox. Since it's 'the fox in the well short story', the fox is the central figure around which the events in the well unfold.
The main characters are the children who discover the man in the well. Their actions and decisions drive the whole story.
In 'the farmer and the well short story', the most prominent character is the farmer. He is likely the one whose actions, decisions, and reactions drive the story forward. The well is an important element in the story, but it's not a character in the traditional sense. However, the farmer's interaction with the well makes it a significant part of the narrative.