Maybe there's a group of rival trainers who work together. They have different Pokemon types among them and use combined strategies against Troy. This would force Troy to think outside the box and develop new ways to counter their attacks.
There could also be a mysterious trainer who appears from time to time. This trainer has a very powerful and rare Pokemon that Troy is intrigued by. Their battles would be intense as Troy tries to figure out the mystery trainer's strategies.
Gabriella can be a great addition. Her presence can add a lot of tension to the story, especially if there are unresolved feelings between Troy and her. And Ryan, Sharpay's brother, can also be interesting. He can either support or oppose Sharpay's relationship with Troy, depending on how the story is written.
Another potential rival could be a young prodigy named Lily. She has a diverse team of Pokemon that she has trained from a very young age. Lily is very confident in her abilities and constantly tries to outdo Phoebe in battles. She might also have some unique training methods that Phoebe has to figure out in order to defeat her.
A rich and spoiled trainer who has access to all the latest Pokemon gear and rare Pokemon could be a rival. This person might look down on Cameron at first but later realizes Cameron's true strength. There could be a lot of tension and competition between them.
Another interesting concept could be Troy getting involved in a Pokemon tournament where the rules are different from the usual ones. He has to strategize and form new bonds with his Pokemon to win. This could show his growth as a trainer and his understanding of his Pokemon's abilities.
Helen of Troy was the wife of the Spartan king, Menellaus, and was considered the most beautiful woman in the world.
One potential rival could be a male trainer who has a more traditional view of Pokémon training and looks down on the fem Ash's different approach. He might constantly try to one - up her in battles.
Gary could be one of his rivals. Gary has always been competitive with Ash. Another potential rival could be a new character introduced in the fanfiction, someone who is really good at Pokemon battles and wants to prove himself better than Ash.
There are also some authors who are known for their unique plot twists in Bella and Troy fanfiction. One such author is Jack. His stories often take unexpected turns, like when he made Troy a secret agent and Bella an unwitting accomplice in one of his adventures. It keeps readers on their toes.
Donna Troy is a well-known character in DC Comics. She's often associated with the Teen Titans and has had various storylines and powers over the years.
She could be very observant. Since she has an interest in Troy, she might notice all the little things about him, like the way he runs his fingers through his hair when he's thinking. And she's likely to be a bit shy, especially when it comes to approaching Troy directly.