Grover can be a key character too. In some 'Percy Jackson blind fanfic', Grover uses his empathy link with Percy in a unique way to assist him. His loyalty to Percy is further emphasized in these stories.
Then there are the new characters that some fanfic authors create. For example, there might be a healer at Camp Half - Blood who has a special connection with Percy and his blindness. These original characters add new layers to the story and make it more diverse.
Nico di Angelo is another popular character in these fanfics. His control over the dead and shadow - traveling abilities offer a lot of room for creativity. Fanfic writers often give him new powers or expand on his existing ones, like making his control over the dead more powerful or adding new elements to his shadow - traveling. His brooding and mysterious nature also makes him an interesting character to write about in the context of powers.
Obviously Percy himself is very popular. Since it's a 'Percy Jackson Reacts' scenario, he's at the center of it all. Fans love to write about his reactions.
Percy Jackson himself is obviously very popular. His powers over water and his heroic nature make him a central figure in many fight scenes.
Percy Jackson himself is a must - include. His adventures and powers are central to the series. Annabeth Chase is also very popular. Her intelligence and strategic thinking can add a lot to a fanfic story.
Annabeth is also a very popular choice. Her intelligence and her relationship with Percy are often explored in fanfics. Writers might create scenarios where she uses her smarts to solve complex problems or where her relationship with Percy is put to the test in new and interesting ways.
Well, in many Percy Jackson alternate universe fanfic, Leo Valdez is quite popular. People love to write about his inventions in different scenarios. Maybe he creates a super - powerful weapon that changes the balance of power between the demigods and the monsters. Grover also has his fans in these fics. He could be in a universe where he's the most powerful satyr ever and has to use his nature - related powers to save the world. And of course, Clarisse La Rue can be really interesting in alternate universes, like a Clarisse who teams up with her former enemies to fight a greater threat.
Hazel Levesque is often a popular character. Her ability to control the Mist and her connection to the Underworld make her a very interesting character to write about. She can bring a lot of mystery and power to a fanfic story.
The main character is Percy, no doubt. However, depending on the plot of the 'percy born blind fanfic', other characters can vary. Some fanfics might include Percy's family members as main characters, exploring how they deal with Percy's blindness. There could also be antagonists who target Percy because of his perceived weakness due to blindness, making them important characters in the overall story as well.
Percy Jackson himself is of course very popular. His friends like Annabeth Chase also often appear. Grover could be there too, still being Percy's loyal friend. New characters might include college professors who turn out to have some connection to the world of mythology, like a history professor who is secretly a descendant of a minor god.
Grover often appears in fanfiction as well. His loyalty to Percy and his own unique abilities as a satyr can be used in really interesting ways. For example, a story could revolve around Grover's search for a new type of magical plant that could save Percy from a deadly curse.