It's possible that there is a special animal character in the story. Maybe a little bird that also loves the stars and joins the child in singing to them. The bird could be a guide for the child, showing the best places to look at the stars and how to sing in a way that the stars seem to respond.
Not having read the'sing to the stars story', it's all speculation. It could be that the main character is a child. Children are often full of wonder and imagination. This child might believe that the stars are listening to their songs. And there could be a magical creature in the story, like a star - fairy or something, who is attracted by the child's singing and becomes part of the story.
I'm not sure specifically as I haven't read it directly. But it might be about a child who has a special connection with the stars and sings to them, perhaps as a form of communication or expressing wonder.
Perhaps it's a little boy who has a special pet. The boy and his pet could be the main characters, going through various experiences like helping their neighbors or solving a mystery in their neighborhood.
I don't know the 'in the stars story' well enough to say who the main characters are. It could be a young girl who has a special connection to the stars.
The 'sing to the stars story' could be a very imaginative and magical one. It might tell of a world where the stars are living entities. The protagonist, perhaps a lonely singer, discovers that the stars can hear their songs. As they sing, the stars respond in some way, like shining brighter or sending down a soft glow. It could also be a story about how music has the power to bridge the gap between the earthly world and the celestial realm of the stars.
In the 'noah children's story', the main character is surely Noah. He is the one who gets the instructions from God to build the ark. His sons, Shem, Ham, and Japheth, are also main characters as they help Noah with the building and are part of the family that is saved. Noah's wife also plays a role. And the animals, which are numerous and diverse, are like a collective character. They represent the life that Noah was tasked to preserve.
I'm not sure as I don't know the 'jeremiah children's story'. It could be Jeremiah himself as a main character, and perhaps his friends or family members.
The most obvious main character in the Shoemaker children's story is the shoemaker. He is the protagonist whose life and work form the core of the story. Often, there are other characters that interact with him. For example, the customers who come to buy his shoes, they can be considered important characters too as they are part of the shoemaker's business world. And if there are magical elements, the elves or other magical beings that help the shoemaker are main characters as well. They add an element of wonder and magic to the story.
Since I don't know the exact 'children's ring story', it's difficult to say. But it could be a child protagonist, perhaps a young boy or girl who discovers the ring. There might also be some supporting characters like their friends or family members who are involved in the story related to the ring.
Given that it's called the 'owen children's story', Owen is likely to be a main character. There could also be other children in the story who are important. Maybe there's a best friend who accompanies Owen on his adventures or a sibling who has a significant role in the story. It could also include adults like Owen's parents or teachers who play a part in the children's lives and the development of the story.