Obviously Danny himself is a must - include. But also Sam and Tucker are great characters to have. They've been with Danny through everything and can add some great human - side to the fanfiction. Valerie could also be included. She has her own complex relationship with Danny and the whole ghost - fighting thing. And of course, there are the ghosts like Vlad. His rivalry with Danny can create a lot of interesting storylines.
Well, a great plot for Danny Phantom Planet fanfiction could be about Danny's life after saving the planet. He might face new challenges like dealing with the fame that comes with being a hero. Some people could idolize him while others might be jealous or even fear him. You could also write about Danny trying to balance his normal life with his superhero duties on a more global scale. He could have to travel around the world to solve problems related to the changes that occurred during the Planet event.
One interesting story could be about Danny and Sam going on a ghost - hunting adventure together. They might discover a new type of ghost that has unique powers and they have to figure out how to defeat it using their combined skills.
Sam is also quite popular. Her goth - like personality and her strong - willed nature make her an interesting character. In fanfiction, she can be portrayed in different ways, like being even more involved in Danny's ghost - fighting activities.
In addition to the ghosts, there might be some human characters that are important in the 'phantom city danny phantom fanfiction'. They could be Danny's friends or family members who get involved in the events of the Phantom City. Their reactions to the supernatural world and their interactions with Danny and the ghosts would add an interesting dynamic to the story.
One possible story could be that Danny is facing a new and extremely powerful ghost. He needs help from his friends Tucker and Sam. Maybe they need to find a rare artifact to defeat this ghost. They could start by researching in the local library, looking through old ghost lore books. Tucker uses his tech skills to try and track down any leads on the artifact's location, while Sam uses her knowledge of the occult.
One great one to start with could be 'The Ghostly Guardian'. It really delves into Danny's growth as a hero. Another good option is 'Phantom's New Beginnings' which gives an interesting take on his relationships. And 'Danny's Secret Allies' is also quite engaging as it introduces some new and unique characters.
Obviously, Danny and Dan themselves are very popular. Danny as the main hero and Dan as his dark and complex counterpart are central to many stories. Jazz, Danny's sister, is also popular as she can provide a different perspective and often gets involved in Danny's ghost - fighting adventures in fanfiction.
Well, in some fanfictions, there are concepts like redemption arcs for Dan Phantom. It's fascinating to see how writers try to redeem such an evil character. Also, the idea of Danny using Dan's power for good in some unique situations. For example, there could be a story where Danny has to borrow Dan's strength temporarily to defeat a powerful ghost that he couldn't handle on his own.
Well, it might explore new relationships within the Phantom City. For example, Danny could form alliances with other friendly spirits against a common enemy, which would add a new layer of depth to the fanfiction. The city itself could have its own rules and hierarchies that Danny has to navigate.