One popular theme is friendship. Since Fillmore is about a group of friends in a school setting, many fanfictions explore the relationships between the characters further, like their adventures outside of the school security business they do in the show.
It's hard to say for sure. Without any solid evidence or a well - known account, it's doubtful that it's real. There are so many ghost stories out there that are just products of people's imaginations or attempts to create a spooky tale. The 'richest Fillmore' aspect might just be a unique addition to make it stand out, but it doesn't seem based on a real event.
I don't think we can assume she's a villain. Just because she has 'another story' doesn't mean it's a story of villainy. She could be a bystander who gets involved in the events in Gotham in a positive way, like helping Batman or the police in some way.
The Unforgettable Ingrid Bergman was an article describing the French actress Ingrid Bergman. It mainly introduced her beauty, talent, and noble temperament, as well as her importance as one of the representatives of French culture. The article also mentioned her relationship with the famous French director, Nolan, and her influence and achievements in the film industry.
You can try fanfiction websites like Archive of Our Own (AO3). There are often a wide variety of fanfictions for different shows, including Fillmore. Just search for 'Fillmore' in the search bar and you'll get a list of relevant stories.
I don't have a pre - existing story about the 'richest Fillmore ghost hunting story'. But we can create one. Fillmore, a very rich man, had a fascination with the supernatural. He heard about an abandoned asylum that was said to be extremely haunted. He funded an entire ghost hunting expedition. Once there, they noticed that the place had an eerie atmosphere. The walls were covered in strange markings. As they explored further, they heard screams that seemed to come from nowhere. Fillmore, being brave or just curious, continued the hunt, determined to find out the truth behind the hauntings.
It could be about the rise and fall of Creem Magazine in Fillmore and Detroit, including its challenges and successes. Maybe it showcases how it shaped the local music or publishing scene.