Sometimes, it's a Pokemon trainer who gets reincarnated as a different kind of Pokemon. They then have to adapt to their new form while still having the knowledge and skills of a trainer. This creates an interesting dynamic as they try to interact with other trainers and Pokemon in a whole new way.
Often, the main character is a human who has been reincarnated as a Pokemon. It could be a young boy or girl who was a big Pokemon fan in their previous life. For example, a boy who played all the Pokemon games and knew a lot about the lore.
In some cases, it can be a non - Pokemon character from another fictional world who is reincarnated as a Pokemon. For instance, a character from a fantasy world who has to learn about the rules and mechanics of the Pokemon world, which can lead to some really unique and humorous situations.
Pikachu is often a popular choice. It's one of the most well - known Pokemon, and being reincarnated as Pikachu gives a lot of opportunities for fun and action - packed stories. Its electric powers and cute appearance make it appealing.
Ash is often a popular character in these fanfictions. Since he's such a well - known Pokemon trainer in the original series, when someone is reincarnated, they might interact with him in interesting ways. Another popular character could be Pikachu. If the protagonist is reincarnated as a Pokemon, Pikachu is a common choice for a friend or rival. And of course, the various legendary Pokemon like Arceus or Lugia can also be central characters in these stories, as their power and mystery are very appealing.
The protagonist is often very interesting. They bring their modern - day knowledge or unique personality into the Pokemon world. And sometimes there are side characters who are aware of the system's existence and have their own motives related to it. For example, a mysterious old trainer who seems to know more about the system than the protagonist. Another interesting character could be a Pokemon that has some sort of special connection to the system or the protagonist's reincarnation.
Well, in this type of fanfiction, besides Ash and Brock, there could be other trainers from the Pokémon world. For example, Gary Oak might show up. And some Gym Leaders from different regions could be in the story as well. They might interact with Misty in different ways, like having battles or sharing Pokémon training tips. Also, some of the villainous characters from the Pokémon universe, like Team Rocket, might make an appearance to create some conflict and drama.
The legendary Pokemon that the protagonist may interact with can also be very popular characters. For instance, if the story involves a close relationship with Arceus, that character would be highly regarded. Arceus being the creator of the Pokemon universe has a lot of mystery and power associated with it, and seeing how it interacts with the reincarnated character can be really exciting for readers.
In this kind of fanfiction, aside from the OC, you'll often see other young trainers. They could be traveling companions or just other kids starting their Pokemon adventures. Legendary Pokemon might also make an appearance. For example, Mewtwo could be involved, either as a friend or a foe to the OC, depending on the story's direction. There might also be a Team Rocket - like group causing trouble for the OC and other characters in the Pokemon world.
Well, obviously Spider - Man himself is a common character. He's the central figure after all. Then there are the classic villains like Green Goblin and Doctor Octopus. They often appear to create trouble for the reincarnated Spider - Man. Mary Jane Watson also frequently shows up as a love interest or a supporting character.
Batman is quite popular. Reincarnating as him gives the character a chance to have all his gadgets and detective skills. Also, Superman is a common choice. Having his superpowers and being able to fly around Metropolis would be exciting. Wonder Woman is another one. Her connection to the Amazonian culture and her superhuman abilities make for great fanfiction material.
Shizue Izawa could also be a common crossover character. She has a connection to both the slime world and has some similarities to Naruto in terms of her own journey. She might help Naruto adapt to the slime world, or Naruto could potentially change some of the events in her story because of his different perspective and abilities.
Aether and Lumine are quite popular choices. Since they are the main protagonists in the original game, many fanfiction writers like to explore what it would be like if someone was reincarnated as them, perhaps with different personalities or goals. It gives a fresh perspective on the main storyline.