PJO/UP crossover
19 stories
Harry Potters Twin by Kingdom001
Kingdom001
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Percy Jackson and Harry potter have a secret. Each other. When they were eight, Harry and Percy potter were separated. The twins were attacked while in an orphanage, one going to the Dursleys, while other goes to a squib named Sally Jackson in America. The only person who knows about Percy is Sally and Dumbledore, besides the twins themselves. So what happens when the are reunited? Will they cause more harm the help? How will people react when they find out about Percy? And what if Voldemort is on the brink of rising? Find out in Harry Potter's Twin! * Takes place after BoO, but before the Wizard War *In this, Percy and Harry are both 17 and percy is starting out at Hogwarts, but at 7th year with Harry *DISCLAIMER- I DO NOT OWN PERCY JACKSON OR HARRY POTTER
Cousins (A Percy Jackson, Harry Potter Crossover) by guacamolly3
guacamolly3
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Percy Jackson has a normal cousin. One that isn't related to him through the Gods. Is this cousin as normal as Percy thinks he is? What happens when they meet?
The forgotten twin (PJO+HP crossover)  by sargentpenutbutter
sargentpenutbutter
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After the second war Percy wants to know how his family is doing, his real family, the Potters. When the door opens, his family doesn't recognize him anymore. They don't even remember him. His own twin brother doesn't remember him. Then he gets his hogwarts letter, very much seven years too late. Dumbledore, Snape, Lily, James, Sirius Black and Fred are still alive. Deal with it🙃 #1 in Percyjackson at 24-12-18 #1 in Percy at 4-1-19 #4 in Harrypotter at 24-12-18
The two Potters by mad6512
mad6512
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What if Harry Potter had a twin brother? What if his brother is Percy Jackson? Everything belongs to J.K.Rowling and Rick Riordan. I might change appearances a little though. And I might make some stuff up. All of it belongs to Rick Riordan and J.K. Rowling. *Finished I'm way to lazy to change any of the wrong info. sorry. I know it's there and I will defend myself by saying I wrote this like three years ago.
[Demigods Quest to Hogwarts] PJO and HP Crossover by ao3isbetterr
ao3isbetterr
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Nico, Percy, and Thalia are given a quest that only children of the Big Three can complete... together. They must go, to Hogwarts. (takes place in The Dark Prophecy) I got bored of all of the other nonaccurate Demigods go to Hogwarts and the only good one I found was updated 2 years ago so I figured I'd write my own
Heroes of Hogwarts ▸ Percy Jackson and Harry Potter Crossover by waywardtuesdays
waywardtuesdays
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The temporary peace was just that- temporary. In which wizards and demigods alike find themselves questioning everything they've ever known as they are whisked into turmoil and mayhem that most certainly does not come with the job description.
Demigods at Hogwarts by ArawnHunter
ArawnHunter
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Percy Jackson, Annabth Chase, Nico Di Angelo and Thalia Grace go to Hogwarts. The usual quest to protect Harry Potter and the golden trio. My version though. Set after BoO and during Order of the Phoenix. Percabeth, maybe Solangelo. Ron and Hermione. Harry and Ginny. No Cho I think. Yey my first story on whatpadd and hope you like it.
The Half-Blood Princes {Book 2} by pearjam111
pearjam111
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"I know what you are, Percy Jackson, Half-Blood Prince of the Sea." --- Percy, Annabeth, Nico and Will are thrown back into the Wizarding world for a second year, but what they find there is not what they expected. Magic isn't fun and games anymore, not when one of their lives are on the line. A familiar face resurfaces, a dark plot is hatched, and relationships are put to the test. Are the demigods fit to take on this new year at Hogwarts? And will they be able to keep their secret from friends and foe alike? --- {Book 1: Babysitting Hogwarts - Completed} {Book 3: To Thwart The Darkness - Completed} Disclaimer: I don't own Percy Jackson or Harry Potter, credits go to J.K Rowling and Rick Riordan Disclaimer: I do not support J.K Rowling or her opinions.
Solangelo at Hogwarts ||ON HOLD|| by Castiel-smolbean
Castiel-smolbean
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Nico and Will wanted to not have to go on a quest after the war, but when Hecate decides that her pet world is in danger, they are sent on quest to Hogwarts to protect Harry and Ron. (Hermione is a child of Athena and has been protecting them.) Warning: Solangelo. don't like don't read. Also I may add the Kotlc characters later. And their kids. The dragons from the original Wings of fire series are there and I have to remember that Starflight is blind. Also there will be two OC dragons there. And Fierro-chase. My only way to move the story along is adding more characters. Oh and The characters from The Elementals Quest by Saturn890 that I'm writing with her.
Babysitting Hogwarts {Book 1} by pearjam111
pearjam111
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"You can't seriously expect us to go to a school for magic!" "You want us to what?" ~~~~~ Dumbledore sends out a distress call to the demigods. Voldemort is back and the gods made the mistake last time to refuse the wizard's call. Chiron sends Nico, Will, Thalia and Percy to go protect Harry Potter, the targeted wizard who Voldemort wants dead. The demigods must protect and defend Hogwarts from the dark wizard, but keep their identities as demigods secret at all costs. No one must know because it could put them in danger. But the golden trio keep persisting that the new students are up to no good. They make the secret terribly hard to keep. Contains Percabeth, Solangelo, and others ----- I don't own Percy Jackson or Harry Potter, credit goes to Rick Riordan (who is amazing) and J.K Rowling (who I do not support). Also, the first few chapters are bad. Keep reading, it gets a lot better. Most Impressive Rankings: #1 in Solangelo, #1 in Solangelo (May, 2021) #1 in Percabeth, #4 in Percabeth, #2 in Percabeth #2 in Crossover #9 in Percy Jackson #1 in Nico, #1 in Nico (April-May, 2021) #1 in Annabeth #1 in CampHalfBlood #1 in Gods {Book 2: Half-Blood Princes - Completed} {Book 3: To Thwart The Darkness - Completed} Credit to @-Is-A-Belle- for making the amazing cover.