Spike Milligan is the author or creator of the story. He is likely the one who came up with the idea of a grandad telling a bedtime story, and his unique style would be evident throughout the work.
Most of these fanfics tend to expand on his relationships. Whether it's with family or friends, the relationships are developed in more detail. They also might add new elements to his backstory to make it more interesting.
Definitely true. The case of Billy Milligan attracted a lot of attention and was thoroughly investigated, leading to the telling of this story based on actual happenings.
Yes, he can be. Adam Milligan in Winchester fanfic often brings in unique plotlines. He might be involved in family dynamics, the supernatural elements that are central to the Winchester universe, and character development arcs related to the main characters.
Family also plays a big role. Since Adam has an interesting family background, many fanfictions explore his relationships with his family members. They might look at how his family history affects him or how he reconciles with his family after certain events.
One key point is his multiple personalities. Another is the legal implications. Since he had so many personalities, the courts had to figure out how to deal with his crimes. Also, his story brought awareness to the public about mental disorders.
Billy Milligan was a man with multiple personalities. He became famous for his case. His different personalities had different abilities and characteristics. Some were able to speak different languages, for example. His case was very complex and brought a lot of attention to the study of multiple personality disorder.
One common theme is his relationship with his family, especially his brothers in the context of Supernatural. Since he had a rather complex family dynamic, fanfiction might explore how his living would change those relationships. Another theme could be his role in the supernatural world. Maybe he becomes a key player in fighting against demons or other creatures, or perhaps he discovers new powers.
LunaSkyWriter is known for writing some great Adam Milligan fanfictions. Their stories often focus on Adam's relationships with other characters in a very detailed and engaging way.
There's a fanfiction titled 'Adam and the Brothers'. In this story, Adam tries to find his place among Sam and Dean. It delves into their relationships and how Adam copes with the whole hunter lifestyle, which is really interesting. It has a lot of emotional moments that make it a great read for fans of the character.