In these fanfictions, Gary Oak can be a significant supporting character. He might be a rival to Ash in different ways, like in Pokemon battles or in winning Leaf's attention. Professor Oak is also important as he provides knowledge and resources for Ash and Leaf's Pokemon - related activities. There could also be some original characters created specifically for the fanfiction, like a young trainer who looks up to Ash and helps him and Leaf on their journey.
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.
Ash is of course a very common character as he is the central figure. Pikachu is also often included as it is Ash's most well - known Pokémon. Other characters like Misty and Brock might also make appearances as they are Ash's friends and travel companions in the original Pokémon series.
Misty is often one of the main female characters. She has been with Ash from the early days of his journey and has a deep connection with him. Another is Serena, who has strong feelings for Ash and often supports him. May is also frequently included, as she travels with Ash and has her own unique charm and skills in the Pokemon world.
One common plotline is Ash and Leaf going on adventures together with a group of Pokemon that are unique to their story. Another could be Ash having to protect Leaf from various threats in the Pokemon world while their relationship deepens. And sometimes, they might encounter rare and powerful Pokemon that change the course of their journey.
It could be a new and powerful trainer who has a vendetta against Ash. This trainer might see Ash as a threat to their own rise to the top in the Pokemon world. They could manipulate Leaf into betraying Ash to further their own goals.
Obviously, Ash is one of the main characters. He is the central figure around whom the story revolves. Then there are the members of his harem, though without knowing the specific fanfic, it's hard to name them exactly. But usually, they would be characters who have a special connection with Ash, whether it's through Pokemon battles, shared interests in Pokemon research, or just being good friends.
Typically, there would be a young and ambitious trainer as one of the main characters. They are on a journey to become the best in the Burning Leaf region.
Well, obviously Ash is the central character. Then there are the female characters from Pokemon Sun and Moon like Lillie, who is often a key part of the harem. She has a gentle and kind personality and her relationship with Ash is a major focus. Mallow is another one. Her love for cooking and her friendly nature towards Ash make her a popular character in these fanfictions. Also, Lana, with her unique bond with water - type Pokemon and her adventurous spirit, is usually involved.
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.
Misty is often in Ash's harem in fanfictions. She has been with Ash since the beginning of his journey and their relationship has a long history. Another common one is Serena. She has strong feelings for Ash and her character development is closely tied to him.