Annabeth's childhood friend Percy, is taken away by his father at age 10. She never hears from him again, leaving not soon after him, at least until the Greek half of the Seven make their way to Camp Jupiter, where one of the Praetors of the 12th Legion has both a very familiar face and name. Cross-posted on ao3 Formerly titled "The Son of Neptune & The Daughter"

When Percy saves Annabeth from being captured by the manticore at the cost of his safety. No one in the Greek world was ready for what was to come. Follow as Thalia and the rest of her quest go to save Percy what will happen on their journey. Perlia

Percy's biology teacher tries to name the classroom's new pet lobster 'Poseidon'. Percy objects. ("His name's Jim." "I think we should all decide on his name, it is the classroom pet after all." Jackson stared at him. "His name's Jim.")

Running from tragedy and thrust into a world of monsters, a 10-year-old Percy Jackson comes across a trio that seems to share his story. After banding together, they travel towards the one place meant to keep them all safe, but fate has a separate plan for each of them. – A retelling of PJO with different pairings, different motives, and vastly different outcomes.

After six years, Percy has returned from the dead... but he has not come back whole. Thalia, Luke, and Annabeth must begin to suspect that the Percy they once knew and loved is not the one who emerged from the tree that night. With war on the horizon, what role will the amnesiac son of Poseidon play?

Percy Jackson, the boy who had to grow up too fast. Montauk beach, the place that once held many heartwarming memories, now only held trauma. Percy tries to move past it, finding peace with friends at Camp Half-Blood. However, still bitter in memories, growing resentful against the gods, a sinister voice of a titan begun his move. Implied Percabeth Thaluke

Persephone 'Percy' Jackson has never been one to sit still, especially not at a desk, for hours a day, most days a year. After her thinning patience snaps, a well-timed appearance from Bludhaven's hero, Nightwing, starts Percy on an exciting new adventure. Now she's got a whole new set of problems, like getting blood out of Kevlar and that cop that keeps popping up everywhere.

He was ridiculed. He was cursed. He was locked away. And then he was forgotten. Perseus the youngest son of Gaea was cursed by the gods and exiled to the Island of Ogygia for aiding the Titans in the First Titan war. With the Titans rising again, he is needed to bring Olympus to it's knees. But can a certain blue eyed daughter of Zeus change his perspective of things?

What would have happened if Percy, in his childhood, had made a decision that would change the course of his own history and that of others? If he had ended up on the streets, surviving on his own for years, and meeting a mortal girl that is able to see through the mist. And finding three other demigods, with the promised to be a better family.

Percy Jackson gave his life so his friends, Thalia, Luke and Annabeth, could make it to Camp Half-Blood. As he lay there, staring down Death itself, his father, Poseidon, took pity on him and turned him into a tree, which now protects the camp's borders. That's the story Thalia told everyone. Then came the day her world turned upside down. Percy Jackson was alive. Percy/Thalia

Before Sally had even met Poseidon, she met a man and had a child named Jason Todd with him. Years later, Jason reaches out in the hope of getting to know her. Jason meets her and his apparent kid brother, Percy.

After the war, Percy Jackson is prepared for a normal, peaceful life. However, he is thrown into the middle of a war between wizards and finds out more about his family. Percy Jackson is Voldemort's grandson.

Months after joining Luke, Percy begins having visions of his friend in need. Set in Sea of Monsters. Prequel to "Clash of the Demigods" and "Easing the Burden".

Hera is sick of Zeus' cheating so one day she follows him to a mortal club where she not only sees him dancing, but also comes across Percy and Annabeth who decided to have a fun evening without monsters for once. The trio decide it is time for Hera to get her revenge on Zeus that is you know without her killing his lovers and children. ONE-SHOT

Of all the hijinks and pranks pulled by Leo, the flirty and awkward glances between Piper and Jason, and Coach Hedge's violent fits, none are more scandalous than the midnight encounters and fooling around between Percy and Annabeth. Join the crew aboard the Argo II as they stumble upon the spontaneous romances of the greatest couple of all time. COMPLETE.

The HP and PJO characters find Fanfiction, a site in which they find their lives completely ruined by mortal muggles. They decide to read a few of them and write strongly worded letters in response. Discontinued for good.