Maybe the driver of the big red bus is one of the main characters. He is in charge of driving the bus safely and dealing with all kinds of situations on the road.
If it's a story with a bit of a magical twist, there could be a little boy or girl who discovers the special powers of the big red bus. So, this child would be a main character as well. They might be the one to lead the other passengers into the magical adventures that the bus can offer.
In the 'big red bus story', there could be a host of characters. The bus driver would be a likely central figure. There might be a group of mischievous kids who always cause a bit of chaos on the bus. There could also be a kind-hearted conductor who helps passengers find their seats and collect fares. And perhaps there is a lonely traveler who uses the big red bus to start a new chapter in their life and has interesting conversations with the other passengers during the journey.
The main character is surely the little cat. Since the story is named after it and it's likely the focus of the narrative. The big red bus is also very important, so it can be seen as a secondary main character. There might also be other characters like the bus driver, who could be a human or an animal. And there could be passengers on the bus too, which would also be characters in the story.
Probably the little red bus is the main character, and maybe there's a driver as another important character. The passengers who ride the bus could also be considered main characters in a way as they are part of the bus's story.
Since it's about a big yellow bus, kids who ride the bus might be the main characters. They could be from different ages and personalities, and their relationships and interactions on the bus could form the core of the story.
I don't know for sure, but it could be the bus driver. They usually play an important role in stories about buses.
I'm not sure specifically as there could be many stories with that name. It might be about a big red bus that has some sort of adventure, like taking kids to school on an exciting journey, or it could be about a big red bus that is special in a town and has a history of its own.
The big red dog is the main focus in the 'the big red dog story'. However, it may have a human companion, perhaps a young child who loves and takes care of the dog. There could be other animals in the story as well. Some friendly ones like other dogs or animals in the local park that the big red dog likes to play with. And perhaps there are some human characters such as the dog's vet or the local store owner where the dog and its owner often go.
As I don't know the exact 'big red balloon story', it could be a child as the main character. Since balloons are often associated with children, a kid might be the one who owns the big red balloon.
There could be a group of children. One main character could be the child who initially gets the big red lollipop. Then, there might be other children who are friends or siblings of that child. They play important roles as they react to the first child having the lollipop, whether it's with envy, anticipation of sharing, or something else.
Since I don't know the exact story, the main character is probably the big red chicken itself. But there could also be other characters like the farmer who owns the chicken, or other animals on the farm where the chicken lives.