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.
There could be other possible main characters too. Maybe there's a caretaker at the bus depot who plays an important role in the story. Or there could be a particular child who has a unique experience on the bus every day, like a shy kid who slowly comes out of their shell through the bus rides and the friendships made there.
The 'the big yellow bus story' might be centered around the experiences related to the big yellow bus. For instance, it could tell the story of a community that depends on the bus for transportation. It could also be about the driver of the bus and how they impact the lives of those who ride it.
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.
I don't know for sure, but it could be the bus driver. They usually play an important role in stories about buses.
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.
In the'monster on the bus story', the most obvious main characters are the monster that gets on the bus and the people who are already on the bus. The passengers could include a variety of people like a young child, an old lady, and a working - class man. They all play important roles as they react to the presence of the monster. And of course, the monster itself is a key character as it drives the action in the story.
The main characters in 'the 57 bus true story' are likely those who are directly involved in the significant events that the story is based on. This could include passengers who had a confrontation or a moment of connection on the bus. Maybe there's a group of friends who always travel together on the 57 bus and they are central to the story. It could also be a person who is facing some personal struggle and the 57 bus journey becomes a part of their journey towards resolution, whether it's a social, emotional or financial struggle.
Since I don't know the exact 'the school bus story', the main characters could be the school bus driver, the students who ride the bus, and maybe a teacher or a parent who has some connection to the bus rides.
In the 'the ghost bus story', the main characters could be a curious traveler who decides to take the bus despite the rumors of it being haunted. There might also be an old bus driver who has been driving the bus for years and has noticed the strange happenings. And of course, the ghosts that are causing all the spooky events on the bus would be main characters as well. They could be the spirits of people who died in some tragic event related to the bus, like a crash or a murder on the bus.
I don't know as I haven't read it. But they could be a bus driver, a regular passenger, or a group of passengers.