Well, Bianca di Angelo is a tragic character in these fanfictions. She died so young, leaving Nico all alone. And her death was a big shock to everyone. There are also some minor characters who can be really tragic. For example, those demigods who don't have much power but are constantly in danger. They face the threat of monsters every day and may not have the strength or support to survive. Their short and often tragic lives add to the overall sad tone of the fanfiction.
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 of the sad moments could be when a character like Annabeth is in a situation where she feels completely alone and betrayed. In some fanfictions, she might be separated from Percy in a cruel way, like being trapped in a different dimension where she can't reach out to him. This not only makes her character suffer but also tugs at the readers' heartstrings as their relationship is so central to the series.
Percy is definitely one of the most popular. His powers and his relatable, humorous personality make him a natural choice for fanfiction. Annabeth is also very popular as she is intelligent and strong - willed. Her strategic thinking can add a lot of depth to the gaming - related stories.
Percy Jackson himself is still very popular. People love to write about his further adventures, his growth as a demigod, and his relationships. For example, his relationship with Annabeth might be explored in more depth, like how they deal with new challenges as a couple.
Percy Jackson himself is often very popular. His powers over water and his heroic nature make him a central figure in many fanfictions.
Annabeth Chase is also a fan favorite. Her intelligence and strong will make her a great character to explore in fanfiction. Writers might focus on her architectural projects in the context of the demigod world, or her relationship with Percy from different angles.
Grover is another character that gets a lot of love in fanfiction. His kind - hearted nature and his connection to nature make for interesting storylines. For example, a fanfiction could focus on Grover's role in protecting a new and endangered species of magical creature, and how Percy and Annabeth help him in this mission.
Often, characters like Percy Jackson himself remain very powerful in fanfiction. His control over water is a formidable power, and in fanfic, it might be enhanced even more, making him one of the top contenders. Also, characters related to the Big Three gods (Zeus, Poseidon, Hades) tend to be powerful due to their heritage.
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.