Often there are baby animals like baby deer, baby rabbits, and baby squirrels as main characters.
In 'The Lion King', the main characters are Simba, Mufasa (Simba's father), Scar (Simba's uncle), Nala (Simba's friend and later mate), Timon and Pumbaa (Simba's friends).
It depends on the specific story. It could be a baby lion and its mother in a story about life in the savanna.
There are many. For example, the story of a little deer learning to run and jump in the forest. It shows the deer's growth process full of challenges and joys.
The main characters are the baby versions of the classic Disney princesses, like baby Snow White, baby Ariel, and baby Belle.
In 'The Little Mermaid', Ariel is the main character. She's a mermaid who dreams of living on land. In '101 Dalmatians', Pongo and Perdita are the key characters as they try to rescue their puppies from Cruella de Vil. In 'Sleeping Beauty', Princess Aurora is the main one.
In 'Frozen', the main characters are Elsa and Anna. Elsa has ice powers and Anna is her sister who tries to save her and their kingdom. In 'The Lion King', Simba is the main character. He is a young lion who has to face his past and reclaim his place as king. In 'Mulan', Mulan herself is the main character. She disguises as a man to take her father's place in the army.
Princess Ariel from 'The Little Mermaid' is also a main character. She has a strong desire to explore the human world above the sea, which drives the story. Her relationship with Prince Eric is a key part of her story.
There are many main animal characters. Dogs are quite common. They are often portrayed as loving and protective. Cats also make appearances, usually as curious and independent creatures.
There are often squirrels as main characters. They are very active and curious, always running around the trees and exploring. Also, rabbits are common, with their cute appearance and sometimes a bit timid nature.
Often, common animals like the fox, the rabbit, and the owl are main characters. They play important roles in the stories.