It's hard to say exactly who the main characters would be without reading the specific 'pokemon titan fanfic'. But it could be a young and brave trainer who is determined to face these titan Pokemon. Maybe there's also a wise old Pokemon professor who provides guidance on dealing with them.
The main characters in a 'pokemon titan fanfic' are often created by the author's imagination. It could be a lone ranger - type trainer who has a special connection with Pokemon and is drawn to the allure of the titan Pokemon. There might also be some unique Pokemon characters that play important roles, like a titan Pokemon that has a good heart and helps the trainer in unexpected ways. Additionally, there could be characters from the official Pokemon lore who are given new roles in this fan - made story, such as a Gym Leader who is on a quest related to the titan Pokemon.
In a 'pokemon titan fanfic', the main characters could vary widely. It might be a group of friends who set out on a journey together to explore the mystery of the titan Pokemon. One of them could be a skilled Pokemon battler, another a Pokemon healer, and they all bring different skills to their encounters with the titan Pokemon. There could also be some villainous characters who want to use the power of the titan Pokemon for their own evil purposes.
It could be the kittens themselves. Maybe there's a lead kitten that has special abilities or a unique backstory related to the Attack on Titan world. For example, it could be a kitten that was experimented on by the same people who created the titans.
Armin could also be a main character. His intelligence and strategic thinking would play a role if Sakura is involved in the fight. He might be the one to figure out how to best utilize Sakura's unique skills and abilities in the battles against the Titans, and they could form a friendship based on mutual respect for each other's capabilities.
Eren could definitely be a main character. He could use his Titan -shifting abilities in a unique way during the Halloween - themed events. Maybe he discovers a new power related to the spooky atmosphere. Mikasa would also be a great main character. She could be protecting Eren and the others from any unexpected threats that come with the Halloween setting.
Well, it's likely that Eren would still be one of the main characters. After all, he's a central figure in the original 'Attack on Titan' story. He might be the one most affected by seeing the future and could play a crucial role in trying to change it.
Since we don't know the exact details of 'the gathering pokemon fanfic', the main characters could be a group of young and enthusiastic Pokémon trainers. They might be on a journey to become the best and this gathering could be a crucial part of their adventure. It could also feature some Pokémon with special personalities as sort of secondary main characters, like a Pikachu that has a unique ability compared to others. Another possibility is that there are some wise old Pokémon trainers who are the main characters, guiding the younger ones during the gathering.
It could be the challenger themselves. They are usually the central focus, with their own personality, goals and dreams. Maybe they have a rival who is also a main character, constantly competing with them.
The Akatsuki members are the main characters. They bring their own unique abilities and goals. For example, Hidan's immortality could play an interesting role in the Pokemon world. He might be more reckless in battles because he knows he can't die easily. Kisame, with his shark - like appearance, could have an affinity for Water - type Pokemon and be really strong in underwater Pokemon battles. These characters' interactions with the Pokemon and each other are what drive the story in an Akatsuki Pokemon Fanfic.
It could be Pikachu as a main character. Since Pikachu is one of the most popular Pokémon, it would be likely to be involved in the story, perhaps bouncing on the trampoline and having a great time.
Obviously, Cheryl is one of the main characters. She's the center of the fanfic's story. Depending on the plot, her Pokemon would also be important characters. For example, if she has a Pikachu, that Pikachu would play a role in her adventures.
It could be a young and ambitious trainer. This trainer is often the one who drives the story forward, seeking out Fatalis for various reasons like proving their worth or to protect their region.