There are also stories where the main character is a child who shrinks. This can add an element of wonder and exploration as the child experiences the world from a much smaller perspective. They might interact with tiny creatures or discover hidden parts of their own backyard that seem like vast landscapes when they're so small.
In some stories, it could be a regular guy who stumbles upon a strange object or situation that causes him to shrink. For instance, he might find a magical amulet that has the power to shrink him. He then has to deal with the consequences of this unexpected change, trying to find a way to reverse it while facing various challenges in his shrunken state.
Often, the main character is an ordinary man. He could be a scientist who accidentally shrinks himself during an experiment, like in many traditional science - fiction shrinking stories.
Typically, the woman is often depicted as the more stable figure in these stories. She has to deal with the practicalities of the situation. The man, on the other hand, is the one going through the physical change. He may be an everyman type, someone relatable, who has to come to terms with his new, much smaller existence while the woman is there to either help or hinder his adjustment.
The main character is obviously the man who is shrinking. There may also be his family members, like his wife who would be deeply affected by his strange transformation. She might be worried about him and try to find a way to reverse the shrinking process.
The main character is the man who is shrinking. There may also be his family members or friends who are part of the story, though the focus is mainly on the man's experience as he shrinks.
There could be other characters too. Maybe there's a friend or a family member who witnesses the changes in the woman and the man. However, the central characters are probably the growing woman and the shrinking man as they are the ones whose growth and shrinkage form the core of the story.
His wife is also an important character. She has to deal with the situation of her husband shrinking, and her reactions play a role in the story. There are also other characters like the doctors or scientists that the shrinking man might interact with, who could be considered important as they try to understand or help his situation.
Since it's the 'Shrinking Man Story', the main character is most likely a man who experiences the shrinking phenomenon.
There might be his wife. She is important as she is part of his normal life before the shrinking starts and her reactions and relationship with him play a role in the story. Also, any characters that he encounters during his shrinking, like the people or creatures that he has to deal with in his new miniature state could be considered important as they shape his experiences.
In the 'Shrinking Woman Story', the woman herself is the central figure. But depending on the genre, there could be other characters. If it's a mystery - based story, there could be a detective - like character who is trying to figure out the cause of her shrinking. Or if it's a coming - of - age - type story within the context of the shrinking, there could be a friend or a mentor figure who helps the woman come to terms with her new situation and grow in different ways despite her shrinking size.
Since we don't have the actual story, it's hard to say for sure. But based on the title, the main character is likely the shrinking man.
Another theme is transformation. The physical shrinking is not just a change in size but also a transformation of the character's identity. He has to re - evaluate who he is and his place in the world. It's a very profound change that affects every aspect of his life.