I don't know this story, so I can't say for sure. Maybe there is the king himself.
Not having read 'the king's garden story', it's difficult to name the exact main characters. But we can make some educated guesses. The king would be an obvious one as it's his garden. There might be a court jester who often wanders into the garden for some peace and quiet. Also, there could be a group of noblemen or women who use the garden for their social gatherings, and through their interactions, conflicts and relationships, they could be considered main characters in the story.
I'm not entirely sure but usually there are indigenous characters and white settlers as main characters in this kind of story by Thomas King.
Since I don't know the specific 'garden story', it could be the gardener if it's a story about taking care of the garden. They would be the main character as they are in charge of the growth and upkeep of the plants.
The main characters are Adam, Eve and God. Adam was the first man, and Eve was the first woman. God was the one who created the Garden of Eden and placed Adam and Eve there.
I'm not sure specifically as I don't know this story well. But generally, it might be about the events that take place in the king's garden, like maybe the different plants, animals or people associated with it.
The main characters in a school garden story are usually the students. They are the ones actively involved in the garden activities.
Since I don't know the story well, I can't say for sure. But it could have a gardener as a main character who takes care of the garden of time and discovers its secrets.
The main characters in the 'ghost in the garden story' may vary depending on the version. There could be the ghost, which is the source of the mystery. A young child who is curious about the garden might be another main character. This child might be the first to notice the ghostly apparitions. And then there could be an older person, like a grandparent, who has some knowledge about the history of the garden and tries to explain to the child what might be causing the ghostly presence. They all play important roles in the story as it progresses, with their different reactions and actions towards the ghost.
In the 'eden garden story', the main characters could be various. There might be a young explorer who stumbles upon the Eden Garden and starts to uncover its secrets. There could also be an old wise caretaker of the garden who has been there for years and knows all about its hidden passages and magic. Additionally, there could be a group of mischievous fairies that either help or hinder the protagonist in their journey through the garden. And perhaps there's a mysterious figure that lurks in the shadows, controlling the balance of the garden's magic.
There might be a young child as one of the main characters. The child could be exploring the garden and stumble upon the time - related mysteries within it. And perhaps there is an old wise person in the garden who can explain the secrets of the time - influenced garden to the child.
I don't know specifically who the main characters are without more information about the 'Garden of Time Story'.