Another popular character could be the event organizers. In fanfiction, they might be given more personality and backstories. They are the ones who plan and run the special events, so they can be key players in stories, especially when things go wrong at the event.
Some original characters created by the fanfiction authors can also become popular. For example, a young trainer who is attending their first special pokemon event. Their naivete and eagerness to learn can be endearing, and readers can follow their journey of growth and discovery during the event.
Red is another popular character. He is often portrayed as a mentor or a rival in the fanfiction. His experience and skills make him an interesting addition to the story, and his interactions with Yellow can create some really engaging plotlines. Writers like to play with the dynamic between their different personalities and training styles.
Red and Yellow themselves are often very popular. Red is known for his strong leadership and battle skills, so many fanfictions focus on his adventures. Yellow is also popular because of her unique connection with Pokemon. Pikachu is another character that is often a favorite as it is Red's main Pokemon and has a lot of charm.
One of the most popular characters is Ruby. His passion for contests rather than traditional battles is a unique aspect that can be explored in fanfictions. Sapphire is also popular, especially when paired with Ruby to show their different approaches to Pokemon training. And don't forget about Emerald. His mysterious past and his connection to the Legendary Pokemon make him a great character to include in fan - made stories.
Gary is another character that stands out. He might be the rival who is always one step behind Ash in terms of popularity but is constantly trying to up his game. He could be part of the advanced Pokemon training class and is known for his vast knowledge of different Pokemon species.
Squirtle is very popular. Since it has water - based abilities, it can easily be related to the ink - based battles in Splatoon. It could be a key character in a story where Pokemon and Splatoon characters team up for a water - ink related mission. Also, the main Inkling characters from Splatoon, like Agent 3 or Agent 4, are popular as they are the main representatives of the Splatoon world. They can be shown as having adventures in the Pokemon world, learning about Pokemon training and sharing their ink - fighting techniques with the trainers there.
The player character themselves are often very popular. Since every player can customize their trainer in the game, it gives a lot of room for creativity in fanfiction.
Pikachu is often very popular. Its cute appearance and electric - based abilities can be used in many humorous situations. Also, Team Rocket's Jessie, James and Meowth are popular as they are always getting into comical scrapes while trying to steal Pokemon.
Some original characters created by fanfiction writers can also gain popularity. For example, a young trainer who starts their journey in the Pokemon Red world with a big dream but has to face many difficulties. Their growth and development throughout the story can attract a lot of readers.
Mewtwo is another favorite. Given its psychic powers and origin story of being a genetically created Pokemon, it can be a key figure in battles. It could be fighting for the rights of all Pokemon or be manipulated by the wrong side due to its power.
The mysterious Pokemon Professor in Pokemon Yevatal fanfiction can also be really popular. They are the ones who provide the trainers with their first Pokemon and give them valuable advice throughout their journey. Their knowledge of the Pokemon world is extensive, and they often have a hidden past or some kind of special connection to the rarest Pokemon in the region.