The main characters are Little Miss Moppet, who is a cat, and the mouse.
Well, Little Miss Moppet story is about a cat named Little Miss Moppet. She spots a mouse and decides to hunt it. The mouse uses its wits to avoid being caught by the cat. For example, it might hide in small spaces where the cat can't reach easily. The story is full of such little chase and escape scenarios that are quite fun to read.
The main character is Little Miss Greedy.
The main character is obviously Little Miss Brainy herself. She's the one who drives most of the action with her intelligence.
I assume Little Miss Sunbeam is the main character. There may also be her family members, friends or neighbors who interact with her in the story.
In the 'little miss princess story', the little miss princess is the central figure. Alongside her, there could be her parents, the king and queen, who play important roles in her upbringing and the running of the kingdom. There may be a group of animal friends, like a talking squirrel or a magical unicorn, that she befriends and they join her on her adventures, adding an element of fun and mystery to the story.
In 'little miss spider story', the most prominent character is the little spider. But there could be other supporting characters as well. For instance, a motherly beetle that gives advice to the little spider or a group of busy bees that the spider watches from her web. These characters help to create a more complete world for the little spider's story.
In the 'little miss sparkle story', surely Little Miss Sparkle is a main character. There could be a wise old owl that serves as her guide. The owl might give her advice on how to use her sparkle and where to find more about its origin. Another possible main character could be a mischievous little boy who at first is jealous of Little Miss Sparkle's sparkle but later becomes her friend and helps her in her adventures.
I don't really know the main characters in 'little miss trouble story' since there's not much information given. But it could be the little miss trouble herself as the main character.
There is Olive, the little girl who is going to the beauty pageant. Then there's her father Richard, who is a motivational speaker. Her mother Sheryl, and her brother Dwayne, who has taken a vow of silence until he can achieve his dream of becoming a pilot. Also, there's the grandfather, who has some wild habits but also a lot of wisdom.
As I don't know the exact 'little miss fickle story', I assume the main character is Little Miss Fickle herself. There might also be some supporting characters like her friends or family members who are affected by her fickle behavior.