I'm not sure which Billy Brown you specifically refer to. There could be many people named Billy Brown. He could be an ordinary person living a normal life with a family, a job, and hobbies. Maybe he grew up in a small town, went to school, and made friends along the way.
Again, without more context, it's hard to say. But maybe his graduation from school was an important event. It could mark the start of his independent life.
Barefoot Billy in the 'barefoot billy true story' might be a unique individual. He could be a person who rejected the norms of wearing shoes. Maybe he had a philosophical reason for it, like believing that being barefoot kept him more in touch with the real world. Or perhaps he grew up in a situation where shoes were a luxury he couldn't afford, and over time, it became a part of his identity.
The 'brown bear brown bear story' is mainly about different colored animals. It is a simple and engaging story for children that helps them learn about colors and animals. Each page shows a different colored bear or other animal, and it often has a repetitive pattern which makes it easy for kids to follow and join in while reading.
Bobby Brown in the 'bobby brown ghost story' could be a person with a unique backstory. Perhaps he was a skeptic of the supernatural until he had his own encounter with a ghost. He could be a worker in a place with a haunted reputation, like a historic building or an old factory. Without more information, we can only speculate about his identity within the context of the ghost story.
Since we don't have the full story, it's hard to say exactly who Annie Brown is. She could be a normal girl who just happens to get caught up in a spooky situation involving a ghost.
Sure, Billy Bathgate is fiction. It falls within the realm of creative writing, where the author weaves a tale that may or may not have any resemblance to reality.