If it's not about the Disney movie, it could be any characters created for that particular 'frozen read aloud story'. It might be a group of explorers in a frozen tundra, so the main characters would be those explorers. They could have different personalities, like the brave leader, the scientific expert, and the joker of the group.
A 'frozen read aloud story' might be related to the Disney movie 'Frozen'. It could be a retelling of the story of Elsa and Anna, their relationship, Elsa's powers, and how they overcame the challenges in their kingdom that was once frozen. It could also include the other characters like Olaf and Kristoff and their adventures in the frozen land.
The main characters are the Lorax and the Once - ler. The Lorax is the protector of the Truffula forest and the animals that live there. He tries to stop the Once - ler from cutting down all the trees.
The main characters are the mouse and the Gruffalo. There are also other animals like the fox, the owl and the snake.
Pete the Cat is the main character of course. He is the one that the whole story revolves around.
The main characters are Jack and the giant. Jack is the young boy who climbs the beanstalk and steals from the giant. The giant is a big, scary figure who lives in the castle in the clouds and owns the treasures that Jack takes.
If it's not about the Disney movie, it's really hard to say. It could be a story about a group of explorers in a frozen land, in which case the main characters could be the explorers themselves. They might have names like Jack, Tom, and Mary, and each of them could have different skills and personalities that help them survive in the cold environment.
The main characters in 'the mitten read aloud story' are the little mouse which starts the adventure by finding the mitten. Then there are other animals like the rabbit who is likely looking for a warm place too. The fox also plays an important role as it enters the mitten later. And don't forget about the mitten itself which serves as the central place where all the action happens.
The main characters are the letters of the alphabet.
Since I don't know the exact 'frozen film story', I can't say for sure. But usually in a story set in a frozen place, there might be a brave explorer as a main character.
In the Frozen 2 original story, the key characters include Elsa, who has ice powers and is on a journey of self - discovery. Anna, her sister, is a determined and caring character. Kristoff, a rugged mountain man, is in love with Anna. Sven, his reindeer, helps them on their travels. And Olaf, the snowman created by Elsa, provides comic relief and also shows growth in understanding about the world around him.