The hero and heroine themselves are often very popular. Their courage and determination in facing various challenges make them appealing. Also, some of the more unique and powerful Pokemon in the game, like Rayquaza or Mewtwo, often play important roles in fanfiction and are thus popular.
The Pokemon partners of the hero and heroine are extremely popular. These Pokemon not only have their own distinct personalities but also share a deep bond with their trainers. Their growth and development throughout the fanfiction, as well as their interactions with other Pokemon, are often a big draw for readers.
In many fanfictions, the rival characters who oppose the hero and heroine can also be quite popular. They add conflict and drama to the story. For example, a rival who has a different view on how to rule the kingdoms or how to train Pokemon can create interesting storylines. Additionally, some of the side characters who help the hero and heroine, like the wise old Pokemon trainers, are also well - liked.
Oichi is often a popular choice. Her kind - hearted nature and strong bond with her Pokemon make her a great character to build stories around. Nobunaga is also quite popular as he is a powerful and complex character. Another popular one is Hideyoshi, who has a lot of loyalty and determination. These characters have a lot of depth and potential for different storylines in fanfiction.
One idea could be that the hero and heroine have to team up to face a new, powerful and mysterious Pokemon that threatens the entire region. They must combine their unique skills and the loyalty of their Pokemon partners to overcome this threat.
One of the most common supporting characters is Oichi. She often appears in fanfictions related to Masamune as she has a connection with him in the Pokemon Conquest universe. Another is Hideyoshi. His presence adds political intrigue as he may be an ally or a rival to Masamune. Also, many fanfictions include various Pokemon trainers from different regions. They can act as friends, rivals or even advisors to Masamune, helping him in his battles and decision - making processes.
His sisters, Visenya and Rhaenys, are also probably popular. Writers could focus on their individual powers and how they influenced the conquest. For example, Visenya's more martial nature and Rhaenys' charm.
One popular heroine is Erika. She's often depicted as a strong - willed and intelligent character in fanfiction. Her knowledge of Pokemon types and her strategic thinking make her a formidable force in the Pokemon Conquest world.
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.