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.
The shrinking man is the key character. His friends, if he has any in the story that are aware of his situation, could also be important. They might try to help him or react in different ways to his shrinking. And perhaps there are antagonists, like the things in his environment that pose threats to his survival, which are also important in driving the plot.
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.
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.
The main plot often involves a man who starts to shrink in size, which leads to a series of extraordinary adventures as he has to deal with the new challenges in his now - much - smaller world. For example, he may face threats from normal - sized objects that have become gigantic to him, like a common house cat which could now be a dangerous predator.
One of the main themes is the sense of powerlessness. As the man shrinks, he loses control over his physical state and his place in the world. Another theme could be the exploration of human identity. His shrinking forces him to re - evaluate who he is in relation to his environment and other people.
In 'the incredible shrinking man story', the story revolves around a man who experiences this incredible shrinking phenomenon. As he shrinks, his relationship with his surroundings changes drastically. Everyday objects become huge obstacles. He may have to hide from his own family members who don't even realize he's there. His sense of self and his place in the world are constantly challenged as he gets smaller and smaller. He has to use his wits to stay alive in a world that is now so much larger and more menacing compared to his tiny self.
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.
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.
The Invisible Man himself is the most important character. He is the one whose experiences we follow throughout the story. Then there are the scientists who play a role in making him invisible. They represent the power of science and also the irresponsibility that can come with it.