Definitely not. Blood Brothers the Musical is a work of fiction. The story and characters were crafted specifically for the musical and have no basis in actual happenings.
The Blood Brothers musical isn't based on an actual true story. It's a work of fiction that might draw inspiration from common human experiences and emotions, but it doesn't have a real-life counterpart.
Perhaps in this fanfiction, the blood phantom has a symbolic meaning. It could represent something like the hidden or forgotten past of a character or a place. The author might use it to explore themes of mystery, death, and the afterlife. For instance, the blood phantom could be a manifestation of the sins or regrets of a community, and the story could revolve around how the characters deal with this entity and what it reveals about their own history.
Well, when starting 'blood phantom fanfiction', you should focus on the world - building. Since it involves a rather unique concept like a blood phantom, you need to establish the rules of this world. How does the blood phantom come into being? Is it a result of a curse, a scientific experiment gone wrong, or something more supernatural? Then, you need to create a conflict. Maybe the blood phantom is causing chaos in a small town, and the main character has to stop it. You can also introduce other elements like magic or other supernatural creatures to make the story more interesting. After that, start writing the story from the perspective of one of the characters. It could be a first - person narrative where the character shares their experiences with the blood phantom, or a third - person omniscient view that gives a broader perspective of the whole situation.
One interesting Danny Phantom blood fanfiction could be about Danny's struggle with a new power related to blood that has unexpected side effects. For example, it might make him more vulnerable to certain ghostly attacks. Another could be a story where his blood has some sort of connection to an ancient ghostly prophecy.
Jonathan Joestar is likely to be popular. His noble and strong - willed nature makes him a great character to feature in fanfiction, especially when combined with the gamer aspect. Gamers might be interested in seeing how he would adapt to modern gaming concepts.
Perhaps the fanfiction explores how the story of 'Phantom Blood' could be turned into a game. It might include ideas on level design, where each stage is based on a different part of the story, such as the fight against Dio in the mansion could be a major boss level.
You can try fanfiction.net. It has a large collection of Danny Phantom fanfictions, and you can specifically search for ones related to 'blood'. Archive of Our Own (AO3) is also a great place. There are often well - tagged and categorized stories there, so it's easier to find the ones that focus on the blood aspect of Danny Phantom.
One interesting idea could be exploring how the Blood Blossoms affect Danny's powers in unique ways. Maybe they don't just weaken him but also cause some strange glitches in his ghost form.