Obviously, the two fishermen are the main characters.
The main characters in the 'two fishermen short story' are, as the title suggests, two fishermen. They could be different in many ways. One could be older, with years of fishing knowledge, while the other could be younger and more eager to learn. Their individual characteristics would play a big role in the story. Maybe one is more talkative and shares fishing tales, while the other is a quiet observer, just soaking in the experience. Their interactions with each other and with their environment would be what drives the story forward.
The main characters are the two fishermen. They are likely to have their own personalities. One might be more experienced and the other more novice, for example.
The main plot might be about two fishermen's adventure, perhaps their struggle to catch fish, or some kind of relationship between them.
Once upon a time, there were two fishermen. They set out early in the morning with their fishing nets and boats. They were friends who often fished together. They rowed to their favorite fishing spot. One fisherman was more experienced and taught the other how to cast the net properly. As the day went on, they caught various kinds of fish. At the end of the day, they were happy with their catch and went back to the village to sell their fish and share the profits. It was a simple but fulfilling life for these two fishermen.
The two mice are the main characters. One might be more cautious, while the other is more daring. Their interactions and individual experiences form the core of the story. For example, they could be in different habitats, and how they deal with their respective situations makes up the plot.
Obviously, the two sisters are the main characters.
I don't know as I don't have information about the 'the other two short story'. Maybe it could be a young protagonist and an old mentor type of character which is a common combination in many short stories.
As we don't know the specific 'two fisherman short story', the main characters are likely the two fishermen themselves. They are probably the focus of the story, and the events and interactions would revolve around them.
Given the title 'two kings short story', the two kings are probably the central characters. But in a short story, there could be other characters that are crucial to the development of the plot. Maybe there is a young hero who serves one of the kings and through his actions, the relationship between the two kings is affected. Or perhaps there is a wise old woman who gives advice to one of the kings, which then influences the actions of both kings. It all depends on the specific details of the story which unfortunately I'm not aware of.
Obviously, the two dogs are the main characters.
The two brothers are the key figures. They are likely to have different traits. Maybe one is older and more responsible, while the other is younger and more impulsive. Their interactions and the choices they make would drive the plot forward.
The central character is the man having two lives. Alongside him, there could be characters related to his first life such as his parents who raised him and were part of his initial upbringing. In his second life, perhaps there is a new love interest or a group of people he meets in a different environment, like a new community he becomes part of. These characters would all interact with the man and help shape the story of his two lives.