He could be handcuffed together with his sister Jazz. It would be an interesting dynamic as they have a typical sibling relationship, and being handcuffed would force them to be in close proximity and deal with each other's quirks in a new way. Maybe they have to solve a mystery while handcuffed.
Well, perhaps in a fanfiction, Danny Phantom is handcuffed together with a ghost hunter who initially wants to capture him. But as they are handcuffed, they start to understand each other better. They might be forced to face some common enemy while handcuffed, which makes them rely on each other's skills. Danny could use his ghost powers in creative ways to protect both of them, and the ghost hunter could use his knowledge of gadgets to try and find a way to remove the handcuffs.
Maybe Danny and a ghost enemy are stuck together due to some strange ghostly spell. This forces them to understand each other better as they try to break the spell. As they are stuck, they start to see the other's point of view, which could lead to an unexpected friendship or at least a truce.
In this 'danny phantom glued together fanfiction', the use of different writing styles by the author can be an interesting point. Some writers may use a more descriptive style, painting vivid pictures of the settings and actions. It could also be fascinating to see how they handle the existing themes from the show. Maybe they'll emphasize the themes of friendship or heroism in a different light, or introduce new themes that tie in with the 'glued together' concept, perhaps something about unity or how different elements of the story fit together as a whole.
You can try looking on popular fanfiction websites like FanFiction.net or Archive of Our Own (AO3). These platforms usually have a large collection of fanfiction for various shows, including Danny Phantom.
In this fanfiction, it could be that Danny Phantom meets a Danny Phantom from a parallel fan - made story. At first, they don't trust each other. But as they learn more about each other's worlds, they realize that there are some common elements that are being threatened. It could be that a powerful ghost is trying to rewrite all the fanfic universes related to Danny Phantom. So, they must combine their strengths and knowledge to stop this from happening.
Well, in this kind of fanfiction, Danny could be controlled by an ectoplasmic parasite. The parasite latches onto Danny and takes over his actions. His eyes might glow a different color to show he's not in control. His friends would first be confused, then realize something is amiss and start investigating.
Another possibility is that he's facing some emotional turmoil. Danny has a lot on his plate. He has to keep his identity a secret from his friends and family, deal with school, and fight ghosts. All this stress could be causing him to lose his appetite. He might be too worried or preoccupied to even think about food.
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 idea could be that Danny gets an illness that affects his ghost powers. For example, he might start losing control over his intangibility or invisibility. This could lead to some really comical or dangerous situations. Another idea is that his friends try to find a cure for his strange ghost - related illness while also keeping it a secret from the town.