The Team Rocket trio - Jessie, James, and Meowth - are often featured. Writers can create humorous stories around their bumbling attempts to steal Pikachu, or they could give them a more sympathetic backstory and show a different side of them in the Yellow and Red fanfiction world.
Gary Oak is also popular. He can be portrayed as a more complex character in fanfiction. Maybe a story where he teams up with Ash against a greater threat, or a plot where we see his own personal growth and struggles as a Pokemon trainer in the context of the Yellow and Red games.
Red is definitely a popular character to feature. He's the main protagonist in the games, so many fanfictions revolve around his further adventures or his backstory. Another popular one is Pikachu, the iconic Pokemon. You can write all sorts of stories about Pikachu's relationship with Red or other trainers. And of course, Blue is often in fanfictions as well, as he's Red's rival and their dynamic can be explored in many ways.
Pikachu itself is extremely popular. It's the iconic Pokemon of the franchise. In fanfiction, Pikachu can be given all sorts of personalities and abilities beyond what we see in the official games. For example, a fanfic could show Pikachu as a super - intelligent Pokemon that secretly guides Ash through tough situations.
Another popular character is Pikachu. Since it's the iconic Pokemon in the Yellow version, fanfictions often center around Pikachu's unique bond with its trainer. It could be a story about Pikachu's evolution journey, or how it saves the day in a tough situation.
Red is often a very popular character. He's the main protagonist in the original games and in a lot of fanfiction, his determination and skill as a Trainer are further explored. People love to see him in different situations, like facing a super - strong legendary Pokemon.
Blue, Red's rival from Pokemon Red, also has a significant presence in the fanfiction. His competitive nature and his own skills as a trainer make for great storylines. In some fanfiction, he might be shown to have a change of heart or form an unexpected alliance with Red. Also, the various gym leaders from both games can be popular characters. For example, Brock, the rock - type gym leader, could be depicted in new and interesting ways in the fanfiction, like having a secret super - strong Pokemon that he never reveals in the original games.
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.
Definitely Pikachu. It's so iconic in the Pokemon world, and in fanfics, it often plays a central role, like being the Pokemon that saves the day in a tough situation.
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.
Ethan or Lyra, the main protagonists of Pokemon Gold, are very popular. Writers often like to expand on their adventures and personal growth throughout the Johto region. Another popular character is Professor Elm. His research and his role in providing the starter Pokemon can be explored further in fanfiction.
N is a very popular character. His complex backstory and his views on Pokemon and humans make him an interesting character to write about. He can be the center of a story exploring his journey of self - discovery.