Percy Jackson-The Grandson of Voldemort
Book_The_Worm
  • Reads 589,304
  • Votes 16,007
  • Parts 26
  • Time 3h 48m
  • Reads 589,304
  • Votes 16,007
  • Parts 26
  • Time 3h 48m
Book_The_Worm
Ongoing, First published Jul 15, 2015
awesomenesscrossoverfanfictionharrypotterhogwartshumorjacksonlittlebigthreenicopercypercyjacksonperseuspjopottersnarkgalorethaliavoldemortsgrandson
Percy Jackson has always been different.  Even by demigod standards.  

He had normal demigod problems...dyslexia, ADHD, and monsters.  

He had normal problems.  Bad grades, getting into trouble at school, that kind of stuff.

But he was also the son of Poseidon, the subject of two Great Prophecies, the Hero and Savior of Olympus, one of the only living beings...gods included, to survive Tartarus, one of the only demigods to bathe in the Styx, and one of the only beings that ever held the sky.  All that makes him different.

But now, he was about to delve further into abnormality, when he finds out he has another evil grandfather.  This time it isn't an evil, immortal, all powerful Titan Lord that likes eating his kids...just a powerful, evil noseless creep with a freakish, yet hilarious name that somehow makes people flinch.

And now, Perseus Jackson, the son of Poseidon, is about to go on his strangest adventure yet...going to Hogwarts School of Magic.  Yet another tragically hilarious name.


(Look, I know there are a lot of these and it's pretty classic, cliche, and slightly overused, but I promise you readers that this story does not fit into that mold.  Give it a shot, and see how it goes.  But if anyone steals my plot...I'll feed you to my pet Hellhound :). )
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awesomenesscrossoverfanfictionharrypotterhogwartshumorjacksonlittlebigthreenicopercypercyjacksonperseuspjopottersnarkgalorethaliavoldemortsgrandson
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26 parts

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The Moon's Guardian(Chapters do not line up)(Cancelled) by Lord_Atticus_Attemis
14 parts Complete Mature
OLD STORY CHECK 'The Moon's Guardian (2018)' FOR THE NEW STORY! Perseus Jackson, son of Poseidon. two time savior of Olympus. Defeater of Kronos, survivor of Tartarus. After the War with Gaea, Percy goes back to his normal (well as normal as it can be) life. Graduating highschool, training, running the camp in the Percy-like way. Going back and forth between Camp Jupiter and Camp Half-Blood with the portal Zeus/Jupiter made. Life couldn't be better... But it can be worse, and Percy's about to find out what it's like to lose it all. When he was trapped in Tartarus with Annabeth his dark half was brought out to survive. But Annabeth never showed hers. Until now... After the dust settles, Annabeth is left with severe P.T.S.D just like Percy. But theirs something else the matter with her. Maybe it had to do with the new Demi-god Atticus? A escapee from the Doors of Death and a son of Hades. Atticus is always doing something else but actual camp activities. Percy is the only one who seems to be able to see this. And Percy is determined to find out what he is doing. Maybe it had something to do with the Ghost also running around? But maybe it's just Percy being insane right? Maybe...But at the same time Percy is getting ready to enter a new stage of relationship with Annabeth. If she would talk to him again. It all seems to be a long episode of up and downs in Percy's life that he can't explain. But soon he'll learn...And the knowledge with cost him... Pertemis story PercyxArtemis Don't judge if you don't like this ship, actually don't read unless you look past the fact the story lovers make no sense, we all don't care XD
Demigod Diaries: The Mad Usurper by gerbre
37 parts Complete
A few years after the war with Gaea, the demigods face another series of problems. A new wave of maleficence headed by someone only known as the "Mad Usurper" is coming for the gods and demigods. In addition to that, their personal problems are also in the way. Will the heroes be able to resolve their problems and stop the Mad Usurper? How will the succeeding events affect Olympus and their fellow demigods? All persons, monsters, gods or demigods living or dead in this fanfic is purely fictitious...or are they? Any event/s about to happen or happened before is/are purely coincidental. This is a fanfic of PJO and Heroes of Olympus in case you're wondering. FOREWORD: The comment section is always open if there are suggestions about the writing style, threats, bashing, reactions, etc. My co-editors are Keira_Viresse and enigmaticyouniverse. Take time to read their amazing works too. Enjoy reading! Image source: http://digital-art-gallery.com/oid/80/r169_457x256_14009_Banshee_of_sea_2d_fantasy_illustration_mermaid_shark_picture_image_digital_art.jpg Cover edited by: Ryan S. (He's not Ryan Seacrest but he looks similar to him) Confused of the Roman Orders? http://www.jaysromanhistory.com/romeweb/romarmy/legiox/orders.htm
THE GOLDEN QUARTET ━━━ percy jackson by ryleeoverhere
15 parts Complete
❝Uh, mom, why are Gandalf and company lounging in our living room?❞ Percy Jackson is about as normal as it gets. Or so he wishes. But instead, he's the son of the god of the sea, has saved the world a grand total of two times, and now has a second evil grandfather? You'd think one was bad, but nope there's another one. Did I mention the wizards? Harry Potter is frustrated. Dementors coming after him, the so called Order of the Phoenix, who won't tell Harry anything, except for one thing. Just one thing. That the grandson of Lord Voldemort himself is going to live with them? [discontinued]
Percy Jackson, Sky bearer by ThatBookfanatic
43 parts Complete
After the events of the Chamber of Secrets Perseus Riddle has never been more cautious in his life. Potter is now suspicious of him because of his last name, Dumbledore is keeping a much closer eye on him more then ever and how can he forget the fact that his father was very much not pleased with the fact that the basilisk of Slytherin was slayed by the boy who lived. Now wasn't that a fun conversation. And what is he suppose to do with a distress call from Grover about two demigods he found at the beginning of December? Will the school really believe that a family emergency is what called him away earlier for Christmas break? Oh and lets not forget about that rouge Azkaban escapee Sirius Black who was rumored to be running around in Hogwarts and the dementors now freely going around the school grounds. Well, Percy thought, this is gonna be one hell of a year.
Imperfection (PJO x RoR Crossover) by QinZiYan
12 parts Ongoing Mature
[Book 1 of the 【Armageddon Trilogy】] 『Perseus Poseidonas Jackson is an anomaly.』 HE knew this himself. HE knew that he was different from all of his fellow peers. From the way he can control all forms of waters to causing earthquakes to his impeccable fighting skills to even talk to sea creatures and horses. It does not help that at such a young age, his opinions on humanity is as good as dropping sh*t on the toilet and drain it, with the exception of Sally Jackson, his own mother. It wasn't until his first encounter with a monster that was supposed to be just myths when unknown visio-no, MEMORIES, resurfaced in his mind. He wasn't just Percy Jackson. He was Poseidon, the Tyrant of the Seas. The 3rd Fighter of Ragnarök. He lost immensely against Sasaki Kojiro. Add the fact that the gods of his new world are as useless as mortals. That his once perfect visage has now become imperfect with the added human blood in his veins. And that his very own FATHER is an even more imperfect version of HIMSELF. And that made his ichor boil with RAGE. 【Where RoR Poseidon is reborn as Percy Jackson.】 🐳🐋🐬🦭🐟🐠🐡🦈🐙🦀🦞🦐🦑🐚🪸🪼 Inspired by various PJO x RoR crossover fanfics.
The Quest To Nowhere | Completed | PJO HOO TOA by TheirDreams
21 parts Complete
Percy Jackson is dead. That must be hard for you to hear, huh? After all, you knew him better than I did. Maybe this story would have gone a lot differently if he was around. But he wasn't. It's the year 2030. After all the mythical wars and battles the universe was beginning to calm down. But Percy Jackson is dead now, so there is no one left to keep it on order As a demigod life is kind of hard. Killing weird stuff that want to kill you for the fun if it, or because they feel slightly peckish? To that I say, such is life. My name is Xylee Cross; Daughter of Poseidon. I'm now his only demigod child. The expectations for me are pretty high being the half sister of THE Percy Jackson. Ah, yes, another cliche story about a daughter of Poseidon. You may ask "Xylee, why can't you be original?". Well, my birth had nothing to do with originality. It had to do with the fact that sometimes gods have children, and those children end up with a lot of work, many messes to clean and a lot of mistakes that probably won't be dealt with the easy way. Sounds fun, right? This is the one where I receive a prophesy that leads to a quest. That quest leads to a lot of confusion and irritation, but in the long run it leads to the world being saved. -------------------------------------------------------------------------------------------- Okay, so most of the characters are mine. This idea of this book was inspired by the amazing Rick Riordan. Please don't take this idea or this story or I swear I will hurt you.
Strange Ties--Percy Jackson/Harry Potter by alekostas11
44 parts Ongoing
In a world where gods and magic clash, Percy Jackson-demigod, hero, and grandson of the most feared dark wizard in history-is sent to Hogwarts on a dangerous mission. His job? Spy on wizards and determine if they're a threat to Olympus. But the more time he spends in the wizarding world, the more tangled things become. Between dodging bloodthirsty monsters, uncovering hidden family secrets, and dealing with wizards who either fear him or want to kill him, Percy has enough on his plate. As tensions rise and dark forces stir, Percy realizes the real danger might not be the mission... but what happens if he starts to belong in a world that was never meant for him? ps: honestly I don't even think its possible to describe this story.
Yo Percy, you've got another evil gramp by TheSkyElf
49 parts Complete Mature
Percy finds out after the Battle of Manhattan that he has another evil grandpa. But how can his nice grandpa that he remembers playing with as small, turn so evil? Join Percy as he becomes a Hogwarts student and learns spells, incantations, and herbology, but not English, math or science. Watch his struggle as he will have to choose whose side he is on and whenever he is ever 'allowed' by the Fates to have a love life. *Percy is in this story 15 soon to be 16 *if I owned PJO or HP I would not have to think before buying a kebab, nor would I have put this in the category 'fanfiction'. I only own the way this story goes so don't copy this without asking me first, please. *the writing get better after a while, I promise *Male/Male, Female/Female, Male/Female
Saving Wisdom and Wizards || PJO x HP by alternativekitkat
69 parts Complete
Being a half-blood isn't easy, and it doesn't get easier. Of course, fighting in two wars and being drafted into a third doesn't help. But there are those lucky ones. The ones who survive and move on, have families, education, life. Percy Jackson is not one of them. He's a demigod and apparently, a very powerful and hated wizard. Percy is tasked with helping the Wizard World, and protecting Harry Potter, which is hard to do when Harry wants nothing more than to kill him. ~~~ *Completed* Sequel is up! Check out Hidden Wisdom and Wizards :) ~~~ Rewrite is also up! Same title, but with gray cover. I highly recommend checking that out as well! ~~~ Highest Rankings: #1 Percy Jackson #1 Percabeth #1 Annabeth Chase #1 Wizards #1 Dark!Percy #1 Heroes of Olympus #1 Rick Riordan #1 PJOHOO #2 Crossover
The Lost Goddess by Sportygirlsteph
34 parts Complete Mature
After the second giant war, the Seven and leaders of both camps have been made partially immortal to train future generations of demigods. Soon a new demigod arrives at Camp Half-Blood and drives everyone away from Percy. Now betrayed by the ones closest to him, Percy runs to the gods seeking refuge. 4 years later, a maiden goddess is kidnapped. Where did she end up? Tartarus. She forgets who she is and what she stands for, thus leaving her empty. What happens when Percy stumbles upon the goddess? Will the Once Savor of Olympus be different than the one everyone remembers? Will she remember who she is? Or will she be lost forever? ~~~~~~~~~~ DO NOT READ UNLESS YOU HAVE READ PJO AND HOO! Highest Rankings: #1 in Pertemis #1 in Artemis #1 in Betrayed #5 in Missing #9 in Heroes of Olympus *UNEDITED* Enjoy the story!
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Slide 1 of 10
The Moon's Guardian(Chapters do not line up)(Cancelled) cover
Demigod Diaries: The Mad Usurper cover
THE GOLDEN QUARTET ━━━ percy jackson cover
Percy Jackson, Sky bearer cover
Imperfection (PJO x RoR Crossover) cover
The Quest To Nowhere | Completed | PJO HOO TOA cover
Strange Ties--Percy Jackson/Harry Potter cover
Yo Percy, you've got another evil gramp cover
Saving Wisdom and Wizards || PJO x HP cover
The Lost Goddess cover

The Moon's Guardian(Chapters do not line up)(Cancelled)

14 parts Complete Mature

OLD STORY CHECK 'The Moon's Guardian (2018)' FOR THE NEW STORY! Perseus Jackson, son of Poseidon. two time savior of Olympus. Defeater of Kronos, survivor of Tartarus. After the War with Gaea, Percy goes back to his normal (well as normal as it can be) life. Graduating highschool, training, running the camp in the Percy-like way. Going back and forth between Camp Jupiter and Camp Half-Blood with the portal Zeus/Jupiter made. Life couldn't be better... But it can be worse, and Percy's about to find out what it's like to lose it all. When he was trapped in Tartarus with Annabeth his dark half was brought out to survive. But Annabeth never showed hers. Until now... After the dust settles, Annabeth is left with severe P.T.S.D just like Percy. But theirs something else the matter with her. Maybe it had to do with the new Demi-god Atticus? A escapee from the Doors of Death and a son of Hades. Atticus is always doing something else but actual camp activities. Percy is the only one who seems to be able to see this. And Percy is determined to find out what he is doing. Maybe it had something to do with the Ghost also running around? But maybe it's just Percy being insane right? Maybe...But at the same time Percy is getting ready to enter a new stage of relationship with Annabeth. If she would talk to him again. It all seems to be a long episode of up and downs in Percy's life that he can't explain. But soon he'll learn...And the knowledge with cost him... Pertemis story PercyxArtemis Don't judge if you don't like this ship, actually don't read unless you look past the fact the story lovers make no sense, we all don't care XD

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