There could also be new characters introduced in the fanfiction. Maybe a rival who is equally smart and challenges Ash in different ways. This rival could have unique Pokemon and battle strategies that force Ash to constantly improve and adapt.
Obviously, Ash is one of the main characters. His character is central as he is the 'Smart Ash' in this fanfiction.
In many fanfictions, Gary Oak can also be a significant character. Since Ash is smart in these stories, there could be a rivalry between him and Gary where they constantly outwit each other in Pokemon battles and in their knowledge of Pokemon lore. Another character could be Professor Oak, who might be amazed at Ash's new intelligence and give him special tasks or Pokemon to train.
Well, one idea in Pokemon fanfiction for making Ash smart and powerful is to give him a mentor who teaches him advanced Pokemon training techniques. This mentor could be an old and wise trainer or even a legendary Pokemon in disguise. And he could also gain power from ancient artifacts related to Pokemon in the fanfiction world.
Ash is surely a main character in this fanfiction. There might be characters who oppose Ash, like heroes or other villains. Maybe there's a rival 'Smart Badd' who is constantly trying to outdo Ash, and they could be another main character. Or perhaps there are characters from Ash's past, like an old mentor or a friend who now has to deal with his 'Smart Badd' ways and are important in the story.
Obviously, Ash is one of the main characters. Since it's about 'smart Ash', his intelligence will likely play a big role in the story.
In the 'smart ash in kalos fanfiction', Ash is surely one of the main characters as the title implies. His Pokémon, like Pikachu, Greninja, etc., would also be important characters. And perhaps some of the friends he makes in the Kalos region, like Serena, Clemont, and Bonnie, would be main characters as well. They could interact with this'smart Ash' in different ways, with Serena maybe being attracted to his newfound intelligence or Clemont being impressed and wanting to learn from him.
Since it's an 'ash the pokemon fanfiction', Ash is the central figure. But it could also feature his friends from the original series like Misty and Brock. And of course, the villains he encounters would be important characters too. There may be new characters created by the fanfiction writer, such as a mysterious trainer who has a rare and powerful Pokemon that Ash has to face.
Obviously, Ash is one of the main characters. Since it's about him being a legendary Pokemon in this fanfiction, he's central to the story.
Ash could become smart and powerful by studying the history and lore of Pokemon. This knowledge would give him an edge in battles and in understanding different Pokemon species. For instance, knowing a Pokemon's natural habitat and behavior can help him strategize better.
Ash is obviously one of the main characters. He is at the center of the harem concept. Then there would likely be a group of human characters who are part of his harem, though their specific identities can vary greatly depending on the fanfiction.
Obviously, Ash is one of the main characters. He's the protagonist who has a passion for pokemon and is always eager to become a pokemon master. And the legendary pokemon he encounters or befriends would also be important characters. For instance, if it's Lugia, Lugia would play a major role in the story as it's a very powerful and mysterious pokemon.