Since I don't know the exact 'pockets full of rocks story', it's hard to say who the characters are. It could be a young boy as the main character who fills his pockets with rocks out of curiosity. Maybe there's an older figure, like a grandfather, who tries to teach the boy why it's not a good idea to carry so many rocks around.
In the 'pockets full of rocks story', one possible character could be a traveler. This traveler fills his pockets with rocks from different places he visits, believing they hold some special meaning or value. Then there might be local people in the areas he passes through. Some might be amused by his pockets full of rocks, while others might be concerned for his well - being. There could also be a character like a merchant who tries to convince the traveler to sell his rocks, thinking they are precious gems at first sight, but later discovers they are just ordinary rocks.
I'm not sure specifically what the 'pockets full of rocks story' is about without more context. It could be a personal anecdote where someone had their pockets full of rocks for some strange reason, like a child collecting rocks and filling their pockets. Or it could be part of a fictional tale, perhaps a character in a story was given a task that involved having pockets full of rocks.
Since I don't know the exact 'pocket full of rocks story', it could be a young adventurer as the main character. Maybe someone like Tom, who stumbles upon a pocket full of mysterious rocks.
One of the main characters is Hairi Takahara. He is an important part of the story.
Since I don't know the exact story, it's difficult to say. But it could be the hikers who are the main characters if it's a story about a hiking adventure and the danger of falling rocks.
The 'big rocks short story' doesn't feature highly - developed, named characters in the way a story with a complex plot would. The main character is essentially an everyman or everywoman figure. This figure is the one who has to deal with the task of fitting big rocks (symbolizing important life aspects) into a container. It's about the average person who is being taught the lesson of prioritizing important things over the less important, so the main character is more of a representative of all of us in the context of learning about priorities.
I'm not sure specifically which 'pocket full of rocks story' you mean. It could be about a person who has a pocket full of rocks for various reasons, like maybe they are collecting them as a hobby, or perhaps the rocks have some symbolic meaning in a made - up adventure where they are used for trading or as a form of protection.
The main characters in the 'big rocks balancing acts story' are unknown without further details. But we can imagine different scenarios. For example, it could be a team of engineers in a construction project where they have to balance huge rocks for a foundation. They would be the main characters as they are responsible for the crucial task of balancing the big rocks. Or it could be a story about a young adventurer who discovers an ancient place with big rocks that need to be balanced in a certain way to unlock a mystery. In this case, the adventurer would be the main character, trying to figure out the rules of the balancing act and facing the challenges that come with it.
In the 'Watch out for falling rocks story', the main character could be a geologist. He is studying the rock formations in an area prone to rockfalls. His work requires him to be constantly on the lookout for falling rocks while also trying to collect data and make important geological discoveries.
I'm not sure as I haven't read it, but they could be a couple facing relationship issues.
Since I don't know the story, it's impossible to say for sure who the main characters are. It could be a solitary person who is the focus, someone who has this strange preoccupation with street rocks while reading.