The most obvious main character is the kid in the bin. There may be other supporting characters. If it's a story set in a neighborhood, there could be an old lady who lives nearby and hears the kid's cries from the bin. Or perhaps there are other children who were playing with the kid before they ended up in the bin. These could all be important characters in the story.
Since I don't know the exact 'kid in a bin story', I can't say for sure. But most likely there is the kid as the main character. There might also be other characters like the people who try to get the kid out of the bin if it's a story about the kid being trapped, or maybe friends or family members who are looking for the kid.
The 'kid in a bin short story' could potentially revolve around a child's adventure or misadventure in a bin. It might explore themes like curiosity. For example, the kid could have been curious about what was in the bin and climbed in, only to find themselves stuck. It could also be about a situation where the bin is a symbol of something, like poverty if the kid is rummaging through the bin for food or useful items.
I'm not sure without reading the story, but it's likely the new kid is a main character. There might also be some classmates or neighbors who interact with the new kid.
Since I haven't read it, I can't say for sure. But it probably has the no - talent kid as one of the main characters, and perhaps his or her parents, teachers or friends who have an impact on his or her journey.
The main character is the Cisco Kid himself. He is the central figure around which the story revolves.
I'm not certain, but the main character is surely the kid with the stick. There could be an antagonist, perhaps someone who tries to take the stick away from the kid. Or there might be a mentor figure, an older person who gives the kid advice on what to do with the stick.
The main character is Jack. He's the boy who exchanges the family cow for magic beans and then climbs the beanstalk.
The most prominent character is surely the Lemon Drop Kid. However, there could be side characters like the people he meets in his daily life. It could be a shopkeeper he has to deal with, or a friend or acquaintance who either helps or hinders him in his adventures. There might also be some antagonists in the story, like people who are after what he has or who don't like his ways, but we can't be sure without reading the story.
I'm not sure specifically which 'kid in a bin story' you are referring to. There could be various stories with this title. It might be about a child who got stuck in a bin accidentally, or it could be a more symbolic or fictional story where the bin represents some sort of situation or place the kid is in.
The main character is Greg Heffley. He's the one whose diary we're reading.