Some original characters are antagonists. They could be a powerful demigod gone bad or a new creature with abilities that pose a great threat to Percy and his friends. These characters are popular because they create conflict and tension in the fanfiction. For example, a demigod who has the power to manipulate time and uses it to try and rewrite history to suit his own evil plans.
One popular original character is the 'Shadow Demigod'. This character often has the ability to blend into the shadows and cause chaos in Camp Half - Blood. Another is the 'Dark Oracle' who gives cryptic and often harmful prophecies. There's also the 'Soul - Eater', a creature that preys on the souls of demigods when they are at their weakest.
One popular original character is often a new demigod who is related to Percy's family in some way. For example, a cousin who has a unique power that helps Percy and his family in their battles. This character adds a fresh perspective to the family's adventures.
Percy himself is obviously very popular. After all, it's his series. Annabeth is also a fan favorite, as her intelligence and strong will make for interesting storylines. Nico di Angelo is quite popular too, especially when his powers and his somewhat dark nature are explored in fanfiction.
One popular original character could be a young girl who is a seer. She has visions not only of the present battle but also of the future implications. Her visions guide Percy and his friends in making strategic decisions during the Battle of Manhattan, like when to attack and when to retreat, and she also warns them about hidden traps and ambushes.
Percy Jackson himself is extremely popular as he is the main character of the original series. Fans love to write about his interactions with Aphrodite. Aphrodite is also a popular character in these fanfictions as she brings the element of love and beauty. Annabeth Chase often appears as well, especially in plotlines where Aphrodite's actions might interfere with Percy and Annabeth's relationship. Grover could also be a character that shows up, usually as Percy's supportive friend during the events that are set in motion by Aphrodite - related fanfiction plots.
Grover often appears in these fanfictions too. His loyalty to Percy and his own unique abilities as a satyr add an interesting dynamic. He could be the one who senses the presence of other mythical creatures in the school and alerts Percy and Annabeth.
Flounder, Ariel's fish friend, can also be a popular character in this type of fanfiction. He could provide some comical relief while also being helpful in the underwater parts of the story. His relationship with Ariel and how he reacts to Percy could be a source of interesting plot developments.
Percy is definitely one of the most popular. He's the main character in the original series, so fans love to see more of his adventures in fanfiction. Annabeth is also very popular. Her intelligence and strong will make her a great character to explore further. Another popular one is Nico. His dark and mysterious nature gives a lot of room for fanfiction writers to create interesting stories around him.
Percy himself is often very popular. His adventures in the original series are well - known, so in alphabet fanfiction, he can be a central figure for many stories. Writers might explore different aspects of his character through the alphabet - based concept.
In Percy Jackson eternal fanfiction, Percy is no doubt one of the most popular characters. Fans love to write about his new quests and how he overcomes challenges. But also, Grover Underwood has his fans. His loyalty and his unique role as a satyr are often highlighted in fan - created stories. Additionally, Clarisse La Rue is quite popular in some fanfictions. Her tough - girl attitude and her growth as a character are explored in different and interesting ways.