Ash is the main character for sure. Alongside him, his friends from the Pokémon world might also be significant characters. Brock and Misty could potentially be in it, continuing their adventures with Ash. Additionally, there could be some sort of Pokémon sage or elder who guides Ash on his path as the chosen one, providing him with wisdom and advice on how to use his special powers or face the upcoming challenges.
Ash is definitely one of the main characters since it's about him being the chosen one. His Pokémon partners like Pikachu are also likely to be main characters as they would be involved in his journey as the chosen one.
In this fanfiction, Gary could be an important character. Since he has always been in competition with Ash, he might have mixed feelings about Ash being the chosen one. Serena could also be a main character. She might be inspired by Ash's chosen - one journey and decide to follow him, offering her own skills and support. Professor Oak would likely be involved as well, guiding Ash with his vast knowledge of Pokémon.
I don't know as I haven't read it. It could be the chosen one, of course. And perhaps there are mentors or friends who help the chosen one along their journey.
The Chosen One is obviously a main character. They are the central figure around which the story revolves. Their personality could be that of a brave and determined trainer, always ready to face challenges.
His rival could be the one to betray him. Rivals are often jealous and competitive. If Ash's rival saw an opportunity to gain an advantage by betraying him, they might do it. For instance, they could lie about Ash to the Pokémon League, getting him disqualified from important battles.
Ash as the Chosen One in Pokemon fanfiction is a really interesting concept. It gives a whole new layer to his character. He could be given a special Pokemon by some mysterious force that is crucial for his destiny. This Pokemon might be one that no one has ever seen before. His friends would also play different roles, perhaps as protectors or guides to help him fulfill his chosen - one duties. And his battles would become even more epic as he has this greater responsibility on his shoulders.
Team Rocket could still be the main antagonists. Even though they usually have comical failures, in this fanfiction, they could discover Ash's connection to the legendary Pokemon and try to use it for their own evil plans. Maybe they want to capture the legendary Pokemon through Ash or steal the power that Ash has because of his chosen - one status.
Typically, the main characters would be the chosen one and their roommate. The chosen one is likely to be someone with a special connection to Pokemon, perhaps having a unique ability or being prophesied to do great things in the Pokemon universe.
Sometimes, characters from other magical schools or even non - human magical creatures could be important. For instance, a centaur who has some special knowledge about the prophecy that concerns Hermione. These additional characters add more depth and variety to the fanfiction.
As I'm not familiar with this particular graphic novel, it's difficult to name the main characters. However, in a 'chosen one' narrative, there could be the central character who is the chosen one. This character might be joined by friends or allies. For example, there could be a brave warrior friend, a wise old wizard, or a street - smart sidekick. And of course, there would likely be an enemy, like a powerful dark lord or a corrupt organization.