Well, obviously Danny and Valerie are the main ones. Danny, with his dual identity as a high school student and a ghost - fighting superhero. Valerie, the ghost hunter who is always on the lookout for any spectral activity. Tucker and Sam, Danny's best friends, often play important roles too. They might be the ones trying to protect Danny's secret from Valerie or they could accidentally be the cause of Valerie finding out.
The main characters are Danny, Valerie, and then there are the ghosts. The ghosts in the fanfiction can act as catalysts for Valerie to find out about Danny. For example, a particularly smart or devious ghost could set up a situation where Valerie is forced to see Danny transform. Also, Danny's family members, like his sister Jazz, can be involved. Jazz might notice that Valerie is getting too close to the truth about Danny and try to interfere in some way.
In some fanfictions, Danny's family members can be involved as well. His sister Jazz might be there to support him emotionally or to try and stop him from making a dangerous sacrifice. His parents, who are ghost hunters, could also be part of the story. Their relationship with Danny and their views on his actions can add depth to the fanfiction.
One interesting plot could be Valerie finding out about Danny's ghost powers in a very public and dangerous situation. Maybe they are in the middle of a fight with a powerful ghost and Danny has no choice but to reveal himself to save Valerie. Another plot could be Valerie slowly suspecting Danny over time as she notices little things about his behavior that seem strange in relation to the ghost attacks. For example, he always seems to disappear right before a ghost shows up.
Well, obviously Danny Phantom himself is usually a main character. He's the half - ghost hero, so a lot of the stories revolve around him. His friends like Sam and Tucker are also often involved. Sam is the goth girl who is very loyal to Danny and Tucker is the tech - savvy friend. Danny's sister Jazz might also be in the story, especially if it's a more family - centered stuck - together scenario.
Obviously, Danny is the main character. His friends like Sam and Tucker are also often involved. Sam might be there to offer her unique brand of support and advice, being the edgy and understanding friend she is. Tucker could provide some comic relief while also being a true friend in Danny's time of heartbreak.
Danny is often very well - written. Writers can explore his dual identity further, like how he struggles to balance his normal life and his ghost - fighting duties. In fanfiction, we might see more of his internal thoughts when dealing with Valerie, especially when he's trying to keep his secret from her.
Well, obviously Danny and his father are the main characters. Danny, with his dual identity as a teen and a ghost - fighting hero. His father, who is often portrayed as either oblivious to Danny's secret at first or slowly starting to figure it out.
Tucker Foley and Sam Manson are also often main characters. They are Danny's best friends in both his human and ghost - fighting life, so they play important roles in many fanfictions. They might be helping Danny deal with the challenges of his dual identity or getting involved in his battles against ghosts.
The main character is Danny Phantom himself. He's at the center of the story as he discovers and wields the secret weapons. Then there's Vlad Masters. He could be a key character in some fanfictions as he might be after the same secret weapons as Danny, either to use them for his own gain or to stop Danny from having them. Danny's parents also play a role, as their ghost - hunting knowledge and equipment could be related to the secret weapons in some way.
In this fanfiction, Nathan could be a new student in town who has a strange connection to the Ghost Zone. Valerie initially suspects him of being a ghost or working with them. But as she investigates, she realizes that he is actually trying to close a dangerous portal to the Ghost Zone that was accidentally opened by one of his experiments. Valerie then decides to help him, and during the process, they face many challenges and dangerous ghosts. Through this adventure, they form a deep bond and become an important part of each other's lives in the Danny Phantom universe.
Obviously, Danny Phantom is a main character. Then, there are usually the ghosts who adopt him. These could be powerful and unique ghosts, like some ancient spectral beings with their own personalities and motives. There might also be his human friends who play a role, even if they don't know about his adoption. They could unknowingly influence Danny's actions in the human world which in turn affects his situation in the ghost world.