It's difficult to be certain, but it seems that 'pollution man' is the main character. He might be an everyman figure who is thrust into a situation related to pollution. For instance, he could be a factory worker who discovers the harmful effects of the pollution his factory is causing. He then starts his own journey to expose the truth and find solutions, which makes him the focus of the 'pollution man story'.
As the name implies, the main character is probably 'pollution man' but without more context, it's hard to say more about who he really is.
I'm not sure specifically as the 'pollution man story' could be many things. It might be about a man who is affected by pollution, like his life in a polluted environment, his struggle against pollution, or his efforts to raise awareness about pollution.
One of the main causes is industrial waste. Many factories around the Indian Ocean dump their untreated waste into the ocean. Another cause is oil spills from ships. These spills can have a huge impact on the marine ecosystem.
As we don't know the details of 'the man story', the main character is simply 'the man' in question.
If the 'fat man story' is about the Fat Man atomic bomb, then there isn't really a traditional 'main character' in the sense of a person. But if we consider the scientists and military personnel involved in its creation and deployment as key elements, then people like the physicists who worked on the Manhattan Project could be considered important. For example, J. Robert Oppenheimer was a significant figure in the development of the atomic bombs, including the one known as Fat Man.
Since I don't know the details of the 'flute man story', the main character is probably the flute man himself.
Since we don't know the specific'man in diapers story', it's impossible to determine the main character. It could be an ordinary man, a fictional character created for a specific narrative, or someone based on a real - life individual.
Since we don't know the specific'man in the closet story', it's hard to say who the main character is. It could be an ordinary person caught in an extraordinary situation, or it could be a character with a special backstory like a detective in disguise or a runaway.
Since we don't know the exact story, it could be a man who has had a difficult life. He might be a soldier who got the scar in combat. So, he could be the main character, a brave and perhaps troubled individual.
The main character is the man who is on the hill. He is the central figure around whom the story likely revolves. Whether he is a normal person, a wise old hermit, or someone with a special mission, the story will be mainly about him and his experiences on that hill.
The main character in 'the leather man story' could be a man with a passion for leather. Maybe he discovered some new techniques in leather - making and his story is about his journey to share and promote these techniques, facing competition and skepticism along the way from traditional leather - makers.