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Characters / The Camp Half-Blood Series: Percy Jackson

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Perseus "Percy" Jackson
"Look, I didn't want to be a half blood."
Click here to see Percy in The Trials of Apollo.
Click here to see Percy in the film adaptations.

Played by: Logan Lerman (films), Walker Scobell (TV series), Azriel Dalman (young; TV series)

Voiced by: Luis Fernando Orozco (Latin-American Spanish), Mamoru Miyano (Japanese)

Appears in: Percy Jackson and the Olympians | The Demigod Files | The Heroes of Olympus | The Demigod Diaries | Demigods & Magicians | The Trials of Apollo | Magnus Chase and the Gods of Asgard | The Sun and the Star: A Nico di Angelo Adventure

"Only a thousand times? Oh, good...I thought we were in trouble."

The son of Poseidon, god of the sea, and clear-sighted mortal Sally Jackson. The titular hero of the first series, the books start in Percy's sixth grade year when he kills one of the Furies, masquerading as his pre-algebra teacher. He is introduced to Camp Half-Blood along with the audience and struggles to survive quests in the world of gods and monsters while coming to terms with likely being the demigod at the center of the Great Prophecy.

Percy is one of two titular "lost heroes" for the first book of the second series, but he's back in the second, amnesiac and running from monsters. He is brought by Hera/Juno to the Roman Camp, Camp Jupiter, and realizes that his destiny is far beyond being the half-blood mentioned in the last Great Prophecy. Having gone through five books' worth of Character Development and combat experience on his own, Percy is far more mature and dangerous in the second series. He easily befriends the rest of the Seven, despite a few clashes with fellow ace Jason. However, his Fatal Flaw from the previous series — personal loyalty — is still in play, with Mars mentioning that it would greatly hinder the Seven's quest to save the world.

As of the third series, he has gone into semi-retirement to stop burdening his family and hopefully graduate from high school. This doesn't stop him from helping out any demigods (or others in trouble) who come his way.

Percy's main weapon is Anaklusmos/"Riptide", his Celestial Bronze sword (formerly owned by Hercules). He also has the ability to command water and all the Combo Platter Powers that come with this (see below).

For the full list of characters, click here.

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  • Abusive Parents: Step-parent, specifically. While Sally is a loving, protective mother, and Poseidon is pretty decent by godly parent standards, Percy's step-father Gabe Ugliano is verbally and possibly physically abusive to Percy and Sally. His other step-parents, Paul and Amphitrite, also avert this (while she was not happy to see him in The Last Olympian, some side material implies that she's friendly to him in other situations, even baking him cookies).
  • The Ace:
    • By the end of the first series, he's this to Camp Half-Blood. He's its strongest fighter and champion, incredibly good looking, has completed a quest a year since coming to camp when most demigods are lucky to complete one, and held his own against multiple gods and titans.
    • In the second series, he was presented as this at first to both the new heroes, who either heard of his greatness (Piper, Jason, and Leo) or experienced his combat prowess firsthand (Frank, Hazel). Nico himself considers Percy to be the most powerful demigod of the current generation. Also on a meta level to the audience, who know of his five books' worth of Character Development and badassery increase. This is increasingly subverted as the books go on, however, especially in The House of Hades.
  • Achilles' Heel: Literally invoked. He bears the Curse of Achilles, which manifests in invulnerability anywhere except the small of his back. Or, in a more figurative sense, Annabeth. The former gets removed by his dip in the Tiber at the beginning of The Son of Neptune.
  • Adaptational Wimp: In the movies, he's nowhere near as badass and self-sufficient as he is in the novels, with many of his achievements given to Clarisse instead.
  • Adaptation Dye-Job: He has black hair in the books, films, and musical. In the Disney+ series, Walker Scobell keeps his blond hair, and no attempt was made at dying his hair black for practical reasons.note  Walker's hair has recently darkened over time, but it still isn't dark enough to pass for true black.
  • Adaptation Personality Change: Is a lot more brooding and angsty in the movies, in contrast to the books, where he is funny, snarky, and easy-going.
  • Age Lift: Due to Chris Columbus not wanting to deal with any lawsuits, should an actual twelve-year-old get hurt, among other reasons, Percy is around sixteen years old in the 20th Century Fox film adaptation of The Lightning Thief. This is ironic due to Percy turning sixteen at the very end of The Last Olympian.
  • Ambadassador: He was memory-wiped and sent to Camp Jupiter as part of Hera's plan to get the rival camps to trust each other through an "exchange of leaders," trading places with Jason. He was chosen because of his power and general badassery.
  • Ambiguously Bi: In the books, he blushes "almost as much as Annabeth" around Luke, repeatedly comments on the other male characters' attractiveness before denying noticing other guys, and while clearly surprised and bemused more than anything, he notably has absolutely no problem when Nico jokes that Percy isn't his type anymore. Chris McCarrell, who played him for several runs of The Musical, has said that he intentionally portrayed Percy as gay or bisexual, though that wasn't the original script writer's intention.
  • Ambiguously Brown: He's noticeably never explicitly referred to as Caucasian in the first two series, and is described as having a Mediterranean complexion. Logan Lerman and Walker Scobell, who play him on screen, are Caucasian.
  • Amnesiac Hero: Along with Jason in the second series, as part of Hera's plan, he doesn't remember anything.
  • Amnesiac Lover: At the beginning of The Son of Neptune, the only thing he remembers is Annabeth's name. He gets better.
  • Amnesia Missed a Spot: In The Son of Neptune, he remembers only Annabeth, and very dimly.
  • Animal Talk: Can talk to horses and other vaguely equine beasts and sea creatures, since his dad made them.
  • Apocalypse Maiden: As a candidate for the hero in the first Great Prophecy who will make a decision that will either save or destroy Olympus, he's considered so dangerous that the gods even discuss whether or not to kill him to his face. Not to mention the prophecy states that this decisions will "end [the hero's] days". Subverted when it turns out that although he makes the decision to trust Luke by giving him the bronze knife, he isn't the one to die in the prophecy — Luke is.
  • Author Avatar: Of Haley Riordan, the son of the author.
  • Awesome, but Impractical: In Battle of the Labyrinth, he unlocks the power to create his own water: Awesome. He then uses it to create so much water he causes a volcano to erupt: Awesome. Doing this brings him to the point of near death and he has to spend two weeks being magically healed just to be able to stand again: Impractical. Not to mention he woke up Typhon.
  • Babies Ever After: Doesn't actually happen, but he starts thinking about living in New Rome with Annabeth and having kids when he sees all the children running around.
  • Back for the Finale: In one of the books where he isn't a major character, of course. Shows up at the final battle against Nero's Colossus just because he can.
  • Badass Adorable: Moreso in his younger years when he was described as cute more than handsome, but Percy can act incredibly badass one moment before doing something dorky, especially around Annabeth.
  • Badass Boast: Percy is rather fond of these. A particularly memorable one during The Son of Neptune was:
    Percy: (to Polybotes) You. Me. To the finish.
  • Badass in Distress: Occasionally, such as in The Sea of Monsters (he gets turned into a guinea pig). Annabeth is usually the one to bail him out. Gets taken from Camp Half-Blood and is missing for the entirety of The Lost Hero.
  • Badass Longcoat: Temporarily gains one during The Titan's Curse, when the Nemean Lion skin becomes a duster.
  • Batman Gambit:
    • He basically gets Luke to admit that he poisoned Thalia's tree in front of Mr. D via Iris Message. It does end in an Oh, Crap! moment and was a spur of the moment thing, but it still counts since it relied on Luke to be a bragging Jerkass.
    • Forces Gaea into helping him defeat Phineas, knowing that she considered him more useful than Phineas. It works.
  • Battle Couple: With Annabeth, his girlfriend. The House Of Hades pits the two of them against Tartarus, and they depend on each other to find their way out.
  • The Beastmaster: With sea beasts in particular, but thanks to his father he's great with horses, and he immediately bonds with a Hellhound upon confirming it is nice.
  • Beauty Equals Goodness: He’s a hero and an all-around Nice Guy, and he’s described as being very good-looking, with many girls (and Nico) developing a crush on him.
  • Berserk Button: Betrayal. Even the insinuation that he (or his friends) could be traitors is enough to hit this.note 
    • He took Luke's betrayal very personally, and for several good reasons.
    • He was also extremely crossed with Nico after he sold him out to Hades, to the point he outright strangles him the moment he woke him up to free him, but allows Nico a second chance to atone.
    • Silena was an exception to this, however.
  • Beware the Nice Ones: Percy is easily one of the nicest, heroic characters in the whole series, but get him mad (or even betraying him in any sorta way) and he'll become easily one of the most vengeful.
  • Beware the Silly Ones: Percy is a Deadpan Snarker, funny, and often seems not to take life too seriously. But there's a reason that he's considered one of the most powerful demigods alive.
  • Big Brother Instinct: Once he gets over the initial shock of their relation, he develops this towards Tyson. By the end of The Sea of Monsters, he's proud to let everyone know that Tyson is his brother, a contrast to his avoidance of the topic during the beginning of the book. He's also one to Nico throughout books 3 and 4, largely out of guilt for failing to protect Bianca. This later applies in full to Estelle, his newborn half-sister, who is first mentioned by name in the third book of Magnus Chase series.
  • Big Brother Mentor: To Hazel and Frank, who are far more inexperienced than he is in Son of Neptune.
  • Big Damn Heroes:
    • Riding to New Rome's rescue and arriving just in time.
    • Accidentally at one point in the third series. He shows up at the end of the first book to visit Apollo and Meg for the weekend, only to find himself on a battlefield.
  • Big Eater: Percy likes to eat a lot, especially cheeseburgers. Likely justified due to living in a relatively poor family, and lampshaded by Magnus Chase:
    Along with being a water-breather, the dude also had the ability to inhale food.
  • The Big Guy:
    • Despite being The Hero, he serves as this during The Titan's Curse, with his prowess at sword-fighting, low-scale invulnerability with the Nemean Lion coat, and Book Dumb compared to the rest of the quest mates.
    • Of the non-Dumb Muscle variety. He is this to Hazel and Frank in Son of Neptune, as the only seasoned veteran on the quest. Outright stated to be the most powerful of the Seven in The Mark of Athena.
  • Book Dumb:
    • He prefers to leave the deep thinking to Annabeth. For example, when Franklin D. Roosevelt comes up in conversation, the only vaguely-related thing he can think of to say is "Like FDR Drive?"
    • However, it's noted that some of this is Obfuscating Stupidity, and after years of experience, he does start to learn a bit about mythological monsters.
  • Break the Badass: Accentuated best in Mark of Athena and Blood of Olympus-being the go-to guy to save the world twice in a row has its prices, namely PTSD, guilt, and extreme fear of failure.
    Percy didn't feel powerful. The more heroic stuff he did, the more he realized how limited he was. He felt like a fraud. I'm not as great as you think, he wanted to warn his friends. His failures, like tonight, Maybe that's why he had started to fear suffocation. It wasn't so much drowning in the earth or the sea, but the feeling that he was sinking into too many expectations, literally getting in over his head.
  • Broken Ace: His guilt and insecurity about the price of reaching his current status come to a head in The House of Hades.
  • Brooklyn Rage: Percy himself is from The Big Apple (Manhattan, specifically), and spends the first series traversing the continental US fighting Greek gods and monsters. The last book: "You don't mess with New Yorkers." And he continues doing this in the second series, except it's across both North America and Europe.
  • Brought Down to Badass: In the Son of Neptune, he loses the Curse of Achilles and the Nigh-Invulnerability that comes with it. This doesn't stop him from being a Grade A asskicker and having all his abilities as son of Poseidon under his belt.
  • Bully Hunter: Has a particular hatred for bullies, which he explicitly states in his narration in The Demigod Files. In the normal world he frequently makes friends with the kids that get picked on (Grover and Tyson) and makes it his personal mission to protect them, even if it means he get's bullied as well.
  • Bunny-Ears Lawyer: Spends a lot of time cracking weird jokes (especially puns) but proves he's still an insanely powerful demigod and warrior. Both Hazel and Piper admit his apparent goofiness misled them.
  • The Call Knows Where You Live: The reason why his mom put up with Gabe was due to her knowledge of this. If Percy were to ever learn about his divine heritage, he'd be hunted down by every monster in the country and then some.
  • Cannot Spit It Out: For most of the first series, with regards to his feelings for Annabeth. Especially at the end of The Titan's Curse, where he, terrified that Annabeth is about to join Artemis' Hunters and disappear from his life, starts babbling incoherently until Artemis invites Thalia to join instead. To be fair, Annabeth's not much better about expressing her feelings.
  • The Cape: He's the most powerful demigod of the modern world, The Heart of the Seven and the de facto leader of any group of demigods he winds up with. In the follow-up crossover story with The Kane Chronicles The Crown of Ptolemy he's the only hero of the four that Big Bad Setne can't find something to tempt with.
  • Casual Danger Dialogue: He's very casual with his opponents, even if they're giants.
  • Chekhov's Gun: Says that he's going to visit Apollo and Meg on the weekend if he can. He keeps his word.
  • Chick Magnet: Annabeth, Rachel and Calypso, an actual goddess, are attracted to him. Hazel thinks he has the looks of a Roman God.
    • Clueless Chick-Magnet: Not even counting the throwaway characters who comment on his attractiveness, his three main love interests — Annabeth, Calypso and Rachelall have to make the first move on him or else they'd be waiting around forever. Even Nico confesses he had a crush on him. Percy's equally confused and surprised every time.
  • The Chosen One: The Great Prophecy speaks of a "half-blood of the eldest gods" who will "reach sixteen against all odds". It also contains a line about a hero's choice being responsible for the rise or fall of Olympus. Everyone thinks it's about Percy, so some of the gods have it out for him. Subverted; the hero at the center of the prophecy turned out to be Luke, although it does happen on Percy's sixteenth birthday, but it's still also Percy's choice that saved Olympus.
  • Chronic Hero Syndrome: Thanks in particular to his Fatal Flaw, Percy can't ignore someone who's in danger.
  • Combo Platter Powers: Being the son of Poseidon, the sea god, Percy has water-based powers as one might expect. What one doesn't expect is the extent and variety of these powers. He can control water, gains a Healing Factor and a power-boost when in contact with water (ocean water gives him the strongest effect), has Super Not-Drowning Skills plus complete immunity to the crushing water pressure on the ocean floor, is able to negate all fall damage if he falls into water that is deep enough, able to know exactly where he is when traveling on an ocean (down to the precise longitude and latitude), and is able to control whether or not he gets wet. Poseidon is also the god of earthquakes, a power which Percy uses to make a volcano erupt. And he can talk to horses.
  • Contagious Heroism: Percy often changes the people he meets for the better. For a few examples:
    • Convinced Annabeth to open up to her family, as well as accept that she can't control everything.
    • Often inspires Grover to be more brave and stubborn in regards to his ideals.
    • Convinces Geryon's herdsman, Eurytion to treat the animals at his ranch better.
    • Overcame Zoe's Does Not Like Men attitude.
    • Made Ethan Nakamura betray Kronos.
    • Consoled Hermes after Luke's death, with Hermes lampshading this trope and asking Percy to look after his other children.
    • Gave Apollo a pep talk that helped him gain enough confidence to fire the arrow that defeated Nero's Colossus.
    • It's eventually revealed in The Sun and the Star that Hades, too, was affected by Percy's heroism, which convinces the Lord of the Dead to help Nico cope with all his trauma by reuniting him with his sister, Bianca, and his mother, Maria, in a dream to give Nico the closure he desperately needed. It can also be noted that Hades is grateful that his children are allowed to have a cabin at Camp Half-Blood to be recognized as heroes instead of outcasts, thanks to Percy.
  • Cool Big Bro: Eventually plays this role to Tyson, who looks up to him.
  • Cool Sword: Anaklusmos, better known as Riptide. A Celestial Bronze sword forged in the fires of Mt. Etna, cooled in the River Lethe, and was once wielded by Herakles himself to fight the dragon Ladon. It draws on the power of the ocean to amplify Percy's own attributes and can reduce monsters to dust while harmlessly passing through regular humans. It can also transform into a pen and will always return to his pockets no matter how far away it gets thrown or sent away (but this can take several minutes if it's cast away far enough).
  • Crouching Moron, Hidden Badass: Verges into Badass on Paper territory, but Percy is constantly underestimated both as a fighter and a tactician due to his occasional idiotic antics and questions, despite consistently proving he is an expert in both.
  • Cursed with Awesome: A self-inflicted example, when he signs up for the Curse of Achilles.
  • Dangerous 16th Birthday: His sixteenth birthday is the focus of the series, because it involves him either saving or destroying the world.
  • Dark and Troubled Past: Percy's stepfather Gabe was physically and verbally abusive, and he grew up with a learning disability, relatively poor, and without a lot of friends before he met Grover.
  • Deadpan Snarker: Percy gets the award for being the most snarky in a World of Snark. Even the chapter titles tend towards snark territory. It's suggested that his sarcasm is at least partially a coping mechanism for his abusive childhood.
  • Death Glare: Invoked by Percy in Son of Neptune — he uses a "wolf stare" he learned from Lupa to stare people down.
  • Demonic Possession: Briefly in The Mark of Athena at the hands of the eilodons.
  • Demoted to Extra: Percy goes from being a main protagonist in the first two series to being a supporting role in the third. This is invoked, as Percy's trying to catch up with his studies.
  • Did You Just Flip Off Cthulhu?: He's mouthed off to pretty much every god he's met, and got away with it because of how he's needed to save the world.
  • Did You Just Punch Out Cthulhu?: He has thrown down in other demigods, gods, giants, and monsters from ancient myth that a teenager should really have no business fighting.
  • Disappointed in You: Towards Bianca di Angelo in The Titan's Curse, for choosing to join the Hunters of Artemis without consoling Nico about it before hand. He eventually gets over it when he learns just how stressed she was having to take care of her little brother 24/7 and believed Nico would be safer with Percy at Camp Half-Blood.
  • Does Not Know His Own Strength: In the first series, Percy frequently underestimates just how powerful he is in comparison to other demigods and doesn't always realize how he's accomplished things that other demigods wouldn't dream of doing. Lampshaded and spoken word-for-word by Hephaestus.
    Hephaestus: Not that powerful, eh? Could have fooled me. You're the son of the Earth-shaker, lad. You don't know your own strength.
  • Does Not Like Spam: Apparently, he doesn't like hummus. When Annabeth tries to explain to him what hubris is, Percy gets it mixed up with hummus, and when she tells him hubris is worse than that, Percy asks, "What could be worse than hummus?"
  • Don't Call Me "Sir": He doesn't like it when various subjects of his father, usually sea creatures and horses, call him "lord". Blackjack, Percy's pegasus, still calls him "boss".
  • Dreadful Musician: In The Last Olympian, Percy and Nico need music to open the Door of Orpheus. Percy internally comments that if he tried to sing, he'd probably cause an avalanche.
  • Dream Spying: Like all demigods, being capable of seeing glimpses of the past and present. However, his dreams are much more potent, due to his father's "unpredictable" nature and the raw power he possesses. He views the dealings of demigods such as Luke and Hercules, gods such as Hades, and even ancient beings like Kronos himself (something Luke believed was impossible).
  • Elemental Baggage: If there isn't any sources of water nearby he can conjure some, which is exhausting, or convert petrified seashells into streams of water powerful enough to match river-flow.
  • Elemental Eye Colors: Sea-green, for the son of the god of the sea. He's got water powers to match as well.
  • Embarrassing First Name: His mother named him "Perseus" because it was one of the few ancient Greek myths that had a mostly-happy ending. He doesn't hate his name, but prefers to be called "Percy". See Meaningful Name below.
  • Even the Guys Want Him: Revealed in the fourth book of the second series that Nico di Angelo has a crush on him.
  • Everyone Has Standards: While initially repulsed by Tyson in the second book, Percy was more disgusted by how everyone at camp (including Annabeth) kept treating Tyson with nothing but prejudice and shunned Percy simply because he has a cyclops for a half-brother.
  • Expelled from Every Other School: Ever since he was a child, Percy was a Weirdness Magnet with an unlucky streak. Through no fault of his own, he wound into so much trouble he'd been kicked out of at least six different schools in six years. During the series, he'd been expelled from at least one other school for similar reasons.
  • Fantastic Racism: Not to the extent of Annabeth and Luke's, but Percy is initially repulsed by his cyclops half-brother, Tyson. That being said, he's disgusted every time Annabeth and other campers display prejudice towards him. Luckily, the events of the book help him get over it in the end, upon which he proudly declares Tyson his brother.
  • Fatal Flaw: Excessive personal loyalty, as revealed in The Titan's Curse. He would let the world burn if it meant saving the people closest to him. While Athena doesn't question that his empathy to others is honorable, it makes him predicable to his enemies, such as Kronos. And this is also why he isn't the leader of the Seven, yet Juno mentions his loyalty will keep the Seven together.
  • A Father to His Men: Percy understands how much more powerful he is than the average demigod, and he is entirely unafraid to use that power to take on entire armies to save his friends and allies. Somewhat played with in that he's barely older than many of them.
  • Field Promotion: Percy's promotion to praetor of Camp Jupiter happens halfway through a battle in Son of Neptune.
  • Fight Magnet: As are all demigods, though being the son of one of the Big Three, the monsters are attracted to him more than most.
  • Figure It Out Yourself: When searching for Camp Jupiter, Lupa can't tell him where he's going — he has to find and get there himself.
  • First-Person Smartass: A first-person narrator prone to snarking at every out-of-the-ordinary thing he sees.
  • Flat "What": This is the most he can manage when Nico confesses he once had a crush on him, then had gotten over said crush in the same breath before blithely walking away as if he only told Percy what the next day's weather would be.
  • Foil: With Jason. As well as the whole Zeus-Poseidon thing, Jason has a Heroic Build and is more obviously charismatic—he's been called a blond Superman more than once. Percy, meanwhile, is dorky, silly, implied to be relatively smaller in build (but is still described as chiseled like a Roman god), and doesn't seem like much to those who don't know his reputation. However, he's just as much of a charismatic leader and equally skilled and powerful.
  • Forced Transformation: Gets temporarily transformed into a guinea pig in The Sea of Monsters by Circe. He gets better thankfully.
  • Friendless Background: Before meeting Grover and Annabeth, he never had genuine friends when he was younger, mostly due to getting kicked out of every school he attends and likely because of the weird things that happen around him. Even after learning who he is, he barely made mortal friends during his school years, until he met Rachel Elizabeth Dare, who can see through the Mist.
  • Gadget Watches: Tyson gives him one at the end of The Sea of Monsters that can transform into a shield; unfortunately, it gets lost in The Battle of the Labyrinth during the fight with Kampe.
  • Good Parents: Besides his first abusive stepfather, Percy probably has as good of parents as a demigod can get. He adores his mom, who is endlessly loving and devoted to him, gets along great with his second stepfather who is a great husband to his mother, and Poseidon is about as good as a parent as an Olympian can get, with Percy himself saying he wouldn't pick any other god to be his father.
  • Gratuitous Latin: Percy may be a Greek demigod, but he has a strong affinity for Latin. He considers Latin one of his favorite subjects at Yancy Academy, especially with Chiron posing as his Latin teacher. He once (instinctively) cursed out Latin to the Furies, which he had no idea where it came from:
    Percy: Braccas meas vescimini!note 
    • It's implied that his affinity for the language has helped him adapt in Camp Jupiter during The Son of Neptune.
  • Green-Eyed Monster: He's jealous of Luke's history with Annabeth. Bonus points for literally having green eyes.
  • Guile Hero: Though it's overshadowed by Annabeth, who uses this tactic more often, Percy is very capable of using his wits to get out of a situation. One example is when he tricks Crusty (Procrustes) into laying down on one of his own beds, even though he knows that Percy saw him trap two people with them and now knows how to do so. Unlike Annabeth, who uses her incredible intelligence to outsmart her enemies on a very intellectual level, Percy's Guile Hero moments are more directed towards getting the desired emotional reaction from others and taking advantage off it and even Annabeth shows herself to be unnerved at how good he's at this in House Of Hades after seeing him interact with Bob.
  • Half-Human Hybrid: His mother, Sally, is a mortal, while his father, Poseidon, is a god.
  • Heal It with Water: His Healing Factor kicks in when he's in contact with water, since he's the son of Poseidon. The only thing the water can't heal him from is Pit Scorpion venom, as shown in The Lightning Thief, and required Chiron's healing and lots of ambrosia.
  • Healing Serpent: In The Son of Neptune, an amnesiac Percy gains two vials of gorgon blood by killing the gorgon sisters Euryale and Stheno, where earlier it was revealed that blood from their right side can heal anything, while the blood from their left side is lethal. Percy later on uses the blood in a deal with Phineas, where they each drink a vial. Gaia thankfully made sure that Percy drank the healing blood instead of the lethal onenote . The healing blood restores Percy's memory.
  • The Heart: What Hera/Juno intends him to be for the Seven. The tired phrase about being glue even gets brought up. In The House of Hades, the effects of him not being there are clearly felt among the other characters.
  • Heroes Prefer Swords: Percy's pretty terrible at anything besides the sword.
  • Heroic BSoD: When Chrysaor curb-stomps him, he falls into a bit of a funk.
  • Heroic Self-Deprecation: Percy hates thinking of himself as a hero, constantly injects pessimism and self-deprecation in his narration, and avoids the spotlight.
    Percy's narration: What was so great about me? A dyslexic, hyperactive boy with a D+ report card, kicked out of school for the sixth time in six years.
  • Hero with Bad Publicity: Downplayed; it isn't so much that he has bad publicity as it is that people tend to call him out on his bad decisions or the the potential trouble he can make as the Apocalypse Maiden more than his accomplishments and heroic qualities. In fact it's so rare for him to get compliments that when his stepfather takes the time to commend Percy for his heroism and bravery, Percy is genuinely speechless.
  • History Repeats: Percy's deeds mirror those of Herakles, Odysseus, and other mythical heroes.
  • Hollywood Tone-Deaf: He's a terrible singer, and he describes it as bad enough to "cause an avalanche".
  • Home Field Advantage: Standing in water greatly increases his already impressive strength, speed, and reflexes, to the point of being able to stalemate Ares, the god of war. It also grants him a small but useful Healing Factor on top of giving him another weapon to use by manipulating the water around him. The effect is particularly pronounced when he's in contact with the ocean, to the point that Chiron asks him not to douse himself with bottles of saltwater before combat exams on his report card.
  • Homeless Hero: He was left alone on the streets of California to search for Camp Jupiter at the start of Son of Neptune.
  • Humble Hero:
    • Downplays his increasing accomplishments as the series continues. To the point of turning down godhood in the final book.
    • Despite saving the world less than a year previous, he doesn't make a big deal out of it. This is especially highlighted when he's described from other perspectives: Hazel, Leo, Reyna and Frank view him as intimidating and badass, which is pretty jarring considering his own point of view is usually just casual snark and making everything up as he goes along. They all lampshade the fact that he downplays his heroism.
  • Idiot Ball: When Percy forgets the supplies back in the boat and has to go back for them, allowing the karpoi grain demon things to kidnap Hazel. He even lampshades it.
  • I Just Want to Be Normal: Not normal as in "mortal", but he has had enough big adventures and wants to settle down for a while, since he has not only gotten a girlfriend and a college; he gets to have a baby sister, too.
  • I'm Not Doing That Again: He shows up at the beginning of The Hidden Oracle and the end to help, but otherwise he really doesn't want to get involved and wants to get his normal life on track.
  • Improbable Age: He's been beating Gods and infamous monsters since he was twelve. Keep in mind that both in-universe and in the original Greco-Roman myths, demigods were (at the very youngest) in their late teens before they did things half as difficult.
  • Incorruptible Pure Pureness:
    • Percy doesn't care about power, money, fame, or any other temptation that Kronos throws his way. At one point, he had both Zeus's Master Bolt and Hades' Helm of Darkness in his possession and didn't even think of the immense power this would give him.
    • Throughout the entire series, Percy is never tempted to make the choice to turn against the Olympians, even when they were being Jerkass Gods to him; the closest he ever gets is when he thinks about how releasing Hope from Pandora's Pithos would stop the war and bloodshed Kronos was causing.
    • In Demigods & Magicians, this also gives him an edge over Setne, who likes to draw parallels of understanding between himself and the others to turn their power against them. It doesn't work on Percy because Percy's mindset is so utterly opposed to Setne, who cannot find anything to relate to. Especially Setne's desire for godhood, as opposed to Percy's complete disinterest in any such ambitions.
    • Percy also has a tendency to make peace with the people he loses and move on, which is something that many demigods are incapable of doing. In The Demigod Files, Percy, Thalia and Nico encounter Melinoe, the goddess of ghosts. While Thalia and Nico are swayed by her power, Melinoe is shocked by how Percy has literally no one who's death he is haunted by.
  • Indy Ploy: It'd be faster to count the number of times his plans didn't boil down to "I'll figure something out, in the meantime, try not to get killed".
  • In the Back: His (literal) Achilles' Heel is the lower part of his back, though it's removed when he wades through the Little Tiber to get to Camp Jupiter.
  • Invincible Hero: Has shades of this, even after losing the Curse of Achilles. He's so powerful that Chrysaor is the only person able to go toe-to-toe with him under normal circumstances. Subverted the further he and Annabeth go into Tartarus, where the stakes just get higher and higher and the opponents get more and more powerful. The ONLY reason they survive is that they have a Titan and a Giant to help them out.
  • Ironic Fear: After he fell into a mud pit in The Son of Neptune and experienced the terror of not being able to breathe, he developed a fear of all the ways a person can suffocate, even ones he wouldn't be affected, in others words, this caused him, the son of the sea god, to briefly develop a fear of water.
  • It's Personal: How he takes Luke's betrayal, and justifiably so. First, Luke framed Percy for a crime he never committed (and while he wasn't aware he was a demigod at that), befriended him to earn his trust, and then remorselessly tried to poison him with Pit Scorpion venom (only being lucky to have survived). He later makes Percy watch helplessly as his closest friends, Annabeth and Grover (who were also Luke's friends), are being eaten alive. Then, in a dream, Percy witnesses Annabeth trying to "save" Luke, when he was actually luring her into taking the sky and then use her as a hostage to lure Percy to him. Even after Percy learns and understands at least why Luke was angry at the Jerkass Gods, Percy calls out on his hypocrisy and had no excuse for betraying/manipulating his closest friends, and breaking his promise to Annabeth.
  • Kid Hero All Grown-Up: He goes from fairly scrawny kid in the first books to having the "good looks of a Roman god" by Heroes of Olympus.
  • Kissing Cousins: Subverted. He'd technically be this with Annabeth, but it's explained that gods don't have DNA (therefore, the demigods of different godly parents are neither biologically nor genetically related), so there's nothing wrong with people from different cabins dating one another.
  • Laser-Guided Amnesia: In the first book, he can't remember anything except Annabeth's name.
  • The Leader: If need be. It should be noted he's elected as something of an unofficial leader of Camp Half-Blood even outside of quests over his time there. It's dialed up to eleven once he turns into a One-Man Army thanks to acquiring the Curse of Achilles and thus becomes the primary force of opposition against Kronos and his evil forces in the Battle of Manhattan. He then steps back in the sequels for a more general Team Dad and The Big Guy position thanks to his wisdom and experience, first to Frank and then to his girlfriend Annabeth who leads the Seven.
  • Leeroy Jenkins: Prone to blindly charging into battle, especially in the earlier books.
  • Legendary in the Sequel: Gets a bit of this in The Lost Hero as he doesn't appear but the new characters hear a lot about him from Annabeth and the rest of Camp Half-Blood. (Afterwards he's too busy battling new enemies for anyone to focus on his previous victories). Lampshaded when Piper meets him and doesn't find him as legendary as she expected.
    Piper: After hearing so much at Camp Half-Blood about Percy Jackson this and Percy Jackson that, she thought he looked well... unimpressive.
  • Let's You and Him Fight: Against Jason while under Demonic Possession.
  • Lightning Bruiser: Fast, strong and agile enough to shatter a Roman military formation comprised of other demigods. And all that's without water, which only magnifies these traits.
  • Like Brother and Sister: With Hazel in Son of Neptune. He views her as a little sister. Also, to Nico.
  • Living Emotional Crutch: To Annabeth. Finding him is her motivation throughout the first book of Heroes of Olympus. Taken to the extreme when both of them are stuck in Tartarus, having only each other to depend on physically, mentally, and emotionally.
  • Locked into Strangeness: In the third book, he gains a gray streak in his dark hair from having to hold up the sky. The Heroes of Olympus establishes that it's faded.
  • Locked Out of the Loop: Chiron and Annabeth never seem to tell him anything.
  • Logical Weakness: Riptide returns to his pockets after being lost. If he doesn't have pockets, it doesn't come back.

  • Magnetic Hero: Why Juno picks him as one of the Seven. He is unfailingly loyal and inspires loyalty in others.
  • Making a Splash: Being Poseidon's son gives him water-based powers, but extensive use of them can tire him out.
  • Master Swordsman: By the events of Heroes of Olympus, Percy is among the finest swordsmen alive, sparring with entire cabins at a time to practice and unleashing a flurry of attacks so quickly that other demigods only see a blur. The only people shown to be his superior are Luke (who was possessed by Kronos at the time) and Chrysaor, who's known for basically nothing but his swordsmanship.
  • Meaningful Name: Twice over.
    • Percy is named after Perseus, who was one of the only Greek heroes to get a Happy Ending. Sally deliberately chose that name because of this, knowing Percy would need the extra luck in his life.
    • Meta-textual, "Percy" taken from the Greek root can be translated to mean "the destroyer/to destroy". Highly appropriate for a possible Apocalypse Maiden with great destructive power.
    • Also the original Perseus accidentally killed his grandfather. Percy also indirectly caused his own grandfather, Kronos to become so scattered that it is as close to death as an immortal can get without falling into Chaos.
  • Mellow Fellow: While he can definitely be Hot-Blooded and impulsive, on the whole Percy deals with the insane, otherworldly activities around him with a laid-back, joking attitude that belies the insane amount of pressure and responsibility he has.
  • Momma's Boy: He's very close to his mortal mother, who was pretty much the only person he could love and trust unconditionally, aside from Grover and Annabeth. He's incredibly torn up when it seems like Sally was killed by the Minotaur and is initially leery of her dating again.
  • Mr. Fanservice: Over the course of the series, his demigod training has made him both muscular, lean, and good-looking, being described as "having the features of a Roman god" and being ogled by everyone from his fellow demigods to Medusa.
  • Names to Run Away from Really Fast: A heroic example; his name means "the destroyer". Thanks to being Famed In-Story, he has the fear or respect of most people he meets, and boy, has he earned it.
  • The Navigator: When he's on the ocean, at least. Since Poseidon is god of the sea and patron of mariners, Percy has perfect navigation abilities while at sea. In a few books, this even extends to being able to recite the exact longitude and latitude of his current location.
  • New Kid Stigma: Percy ends up on both the forgiving and unforgiving ends of this trope during his first days at Camp Half Blood.
  • Nice Guy: He's all-around a pleasant, supportive, patient, loyal person. Confesses to feeling guilty of, among other things, trying to drown a goddess who was trying to kill him in poison and not checking to make sure the Olympians had freed Calypso, despite spending the majority of his time after the events of the first series in a magically-induced coma and unable to actually do that.
  • Noodle Incident: Has a list of these whenever something weird happened to him or got him expelled:
    • In his fourth grade field trip to the Marine World shark pool, he once switched a lever that gave his class an "unplanned swim".
    • In his fifth grade field trip to a Saratoga battlefield, he had an incident with a Revolutionary War cannon that destroyed a school bus.
    • In The Chalice of the Gods, Percy mentions that he once caused his entire apartment building's plumbing to explode after losing control.
  • No True Scotsman: Children of Poseidon doing less than stellar things often invokes this with him. He has a conversation with Poseidon about this in the fourth book.
  • Obfuscating Stupidity: Percy is smart, it's just that his recklessness and impulsiveness overshadow this, making him look dumb. The Son of Neptune implies that part of this is deliberate.
  • Oblivious to Love:
    • It takes him a long time to clock onto Annabeth's feelings for him, even though they're best friends and mutually crushing on each other for most of the series. Annabeth herself lampshades this in The Demigod Files:
      Annabeth: He's so obtuse. That's the word. I mean he doesn't see really obvious stuff, like the way people feel, even when you're giving him hints and being totally blatant....
    • As of The House of Hades, he's completely unaware of Nico's feelings for him. It also takes him a few moments to catch on to the meaning of Reyna's words to him in Son of Neptune, in which she basically offers for him to become a Ruling Couple with her.
  • Off to Boarding School: Percy has spent most of his pre-camp years growing up in one boarding school after another.
  • Official Couple: With Annabeth.
  • One-Man Army:
    • Percy's ability to control water makes him extremely powerful when in contact with it. Even without it, he's arguably the strongest demigod of the modern era and has smashed through entire lines of monsters and demigods alike on his lonesome.
    • In Son of Neptune he goes so far as to thoroughly trounce Polybotes, the giant tailor-made to kill his father, single-handedly, only needing Terminus' help to finish the job.
  • Only Known by Their Nickname: Anyone who calls him Perseus is a sign that they're not who they seem. He can tell monsters from human people when they call him Perseus.
  • Out of Focus:
    • In The Lost Hero and The Blood of Olympus. He's still present and important in the latter, but Percy and Annabeth have no chapters narrated from their point of view, likely due to their prominence in The House of Hades.
    • He also appears in both The Trials of Apollo and Magnus Chase and the Gods of Asgard, but only as a minor supporting character due to having to catch up on school and babysit his half-sister.
  • Parental Favoritism: He is Poseidon's favorite child, and the one he's most proud of.
  • Person of Mass Destruction: He's the son of the Earthshaker after all. Over the course of his adventures, he's diverted entire rivers, caused volcanoes to erupt, and collapsed entire glaciers.
  • Power Levels: It's repeatedly stated/heavily implied that Percy is the most powerful demigod of the age — and seeing as how he's capable of creating small-scale hurricanes, tsunamis, large tidal waves, and just generally moving massive quantities of water, this trope really does apply to him.
  • Pre-Asskicking One-Liner: He delivers one to Polybotes, "You. Me. To the finish."
  • Puppy-Dog Eyes: According to Piper, he looks like a baby seal when he's pleading for something, making her wonder how Annabeth ever won an argument with him.
  • Pursued Protagonist: On the run from monsters right in his first chapter of The Son of Neptune.
  • Quest for Identity: In The Son of Neptune, he attempts to remember who he was before being memory-wiped, while also trying to stay alive.
  • Race Lift: He's mostly depicted as white in most media, like official artworks, the films, and the TV series, but in the first US tour of the musical, he was played by Troy Iwata, a mixed-race actor.
  • Refusing Paradise:
    • Calypso, smitten with him, offers to let him stay on her island forever and live a carefree, idyllic life. He refuses because there's a world to save and a girl to return to, much to her heartbreak.
    • At the end of The Last Olympian he is offered godhood in exchange for his role in ending the Titanomachy. He declines in order to live a mortal life.
  • Retired Badass: What he seems dead-set in becoming after The Heroes Of Olympus, or as much as a Demigod can be. The only reason he helps Magnus Chase is due to Magnus's connection with Annabeth (and he actually grows to like Magnus and Alex by thier own merits) and he makes it abundantly clear several times that wants no part in Apollo's quest during The Trials of Apollo, only pulling one Big Damn Heroes moment and then pretty much taking himself out of the equation as fast as possible. Considering everything he has done for the gods, it makes 100% sense that he has decided to Opt Out out of any future big quest or mission for the gods.
  • Reunion Kiss: With Annabeth in The Mark of Athena. And then she judo-flips him.
  • Sealed Good in a Can: Juno kept him asleep for several months between the first and second books. Percy is not happy about it.
  • Shipper on Deck: For Frank/Hazel, as well as Tyson/Ella.
  • Showy Invincible Hero: Became this in The Last Olympian after the Curse of Achilles made him near-immortal, with only an outright titan like Kronos or Hyperion posing anything resembling a threat to him. Promptly lost it in The Son of Neptune.
  • Sins of Our Fathers: Pretty much every problem in his life can be traced to his father. From inheriting his troublemaker looks that get him branded as a rebel, to having his destiny tied to a prophecy of Doom, to even having his romantic life screwed up because his love interest's mother disapproves of his father. Aside from his powers, the only real benefit of having Poseidon as his father was that it allowed him to find a place at Camp Half-Blood.
  • Sleep Cute: Annabeth points out that he drools in his sleep and looks cute when he isn't snarking at everything.
  • Smarter Than You Look: Not helped by the fact that Annabeth is one of his constant companions and girlfriend, but Percy's intelligence tends to be underestimated a lot by those around him be it friend or foe. This despite the fact over the series we see Percy constantly and consistently tricking and outmaneuvering his enemies and using a combination of his wits and his skills in battle to come out on top. In fact, he might actually be a rare case of a Book Dumb Genius Bruiser in that while he might not be as academically gifted as Annabeth, he's actually incredibly quick thinking, develops quite a strategic mind as he grows up and goes on more and more quest and his ability to analyze the situation in the middle of battle is borderline second to none. More than once, several of his own allies and friends are completely shocked at just how on-the-ball Percy truly is, not to mention that he tends to be almost terrifyingly observant and very capable of figuring out the secrets of others, no matter how strongly hidden they might be. Ironically enough, one of the few people who does not underestimate his intelligence and has outright called him very smart is Annabeth herself.
  • Soft Water: Along with Super Not-Drowning Skills. Not only can Percy always take a dive into water, from any height, to escape a bad situation (admit it, that's a handy thing to know), being submerged in water (more accurately, touching water in general, but it's strongest when he's submerged) heals and freshens him up, even to the point of detoxing any poison he's suffering from; he doesn't even get wet unless he wants to. He can even use a lighter underwater. All this is justified because he's the son of the god of the sea; it wouldn't turn out well for anyone else attempting the stunts he does.
  • Speaks Fluent Animal: Since his father is the patron god of all marine life and equine creatures, he can understand and speak with any of them, who all address him as either "lord" or "boss". They will also follow any orders he gives without question with a few exceptions, like the rebellious Arion.
  • Spotlight-Stealing Squad: Percy is raised to praetor after spending less than 24 hours total at Camp Jupiter. In general, however, this is averted, with Percy sharing roughly equal focus with the second series' other protagonists.
  • Stern Chase: Percy is running from Gorgons immediately prior to Son of Neptune.
  • Stock Shōnen Hero: Brilliant at his universe's Serious Business (Monster-Slaying)? Check. Extremely kindhearted? Check. Energetic? He's got ADHD to prove it. Believes in True Companions? Check. Has a habit of coming off as a Crouching Moron, Hidden Badass at first? Check. Strong sense of justice, mercy, and fairness? Check.
  • Strong Family Resemblance: Many of Poseidon's old flings and enemies can recognize Percy because he reminds them of his father, particularly his sea green eyes.
  • Summon Magic: In The Battle of the Labyrinth, he learns to summon saltwater using petrified seashells, even when there's not a surrounding body of water nearby.
  • Super Not-Drowning Skills: As the demigod son of Poseidon, Percy is immune to the effects of water pressure and can freely breathe underwater. He can also create bubbles of air for other people to come with him. He doesn't even get wet unless he wants to be.
  • Super-Strength: Part of his demigod powerset. As a result, he can trade blows with gods, giants, and giant monsters several times his size. He even held up the sky while saving Artemis from Atlas.note 
  • Super Swimming Skills: Thanks to his divine parentage, Percy's swimming skills are well into superhuman territory, making him almost a literal example of this trope.
  • Sweet Tooth: His favorite food is "anything blue and sweet". Understandable, since his mom used to work at a candy store and brought home lots of free samples. She also makes him blue pancakes and blue birthday cake. While at camp, he frequently orders blue soda.
  • Tall, Dark, and Handsome: Dark-haired, with the good looks of a Roman god.note 
  • Team Dad: The second series has him play this role, since he isn't the official leader of the quests he goes on. Also part of the reason Hera actually wants him on her quest.
  • Tired of Running: After spending the entirety of The Lightning Thief being taunted, intimidated, and forced to run, he finally gets to stand his ground, and against Ares no less.
  • To Hell and Back: Is sucked into Tartarus with Annabeth. This is the majority of their plotline in The House of Hades.
  • Took a Level in Badass: Spends the entirety of the first and second series steadily taking them. He goes from bullied eleven-year-old to one of the most powerful living demigods.
  • Two Roads Before You: A happy life under the sea, or misery and world-saving.
  • Underestimating Badassery: Piper, having had months of hearing how awesome he is, doesn't see what's so special about this joking, dorky, and lean (compared to Jason) dude. She soon learns just why he's so well-regarded.
  • Underwater Kiss: In The Last Olympian with Annabeth.
  • Undying Loyalty: His Fatal Flaw from the first series, which Kronos tries and fails to take advantage of several times. Appears, downplayed, in the second series: He falls into Tartarus with Annabeth instead of letting her fall by herself. Later, when someone has to hold the elevator button for the Doors of Death and Bob is too incapacitated trying to save his and Annabeth's asses, Percy tries to get Annabeth to go on without him so he can at least die with Bob. Annabeth is having none of it. This trait is so prevalent that the gods and even his fellow demigods had a very real fear that Percy would absolutely refuse to let any of them make a sacrificial call, even if the quest failed and the world was destroyed because of it. In the end, Frank convinced him not to do this.
  • Universally Beloved Leader: The guy may rag on himself a lot, but make no mistake: Percy is either adored or at the very least respected by everybody for his bravery and standing up for all half-bloods at the end of The Last Olympian, including Clarisse eventually. Albeit with the exception of some particularly petty gods, (Zeus and Ares for example) and forces of evil like Kronos and Gaea. He even manages to convert malicious beings like Iapatus into the friendly Bob the Titan thanks to his ingenuity and good nature. Percy can be snarky and disrespectful, but it's almost always in response to seeing wrongdoing which feeds into his Chronic Hero Syndrome, and it doesn't take long for most to come around to him.
  • Unskilled, but Strong: At the beginning of the series he was shown to have incredible power but little control or skill. Averted as time goes by.
  • Unusual Pop Culture Name: His real name is Perseus because the Perseus of Classical Mythology was one of the rare demigods who got a happy ending. He doesn't really hate it but makes a choice to go by "Percy".
  • Upbringing Makes the Hero: Heavily implied. Several times he is faced with a hard decision that he only overcomes by thinking of how his mom will react if he takes the bad decision.
  • Vitriolic Best Buds:
    • With Annabeth initially.
    • Annabeth herself comments that he and Thalia are so alike that they either would have been best friends or would have strangled each other. When Thalia is brought back in The Sea of Monsters, she turns out to be right. They butt heads constantly, but also don't hesitate to help each other when danger comes.
  • Wake Up, Go to School & Save the World: Played with. He gets expelled at every school he attends before he could even reach a whole year. Even after learning of his demigod status, he tends to focus more on saving the world than school life, but he does really want to try and have a normal life in the mortal world. During his senior year in The Chalice of the Gods, Percy is struggling to balance his school life and demigod life as he sets out on quests solely to receive recommendation letters to attend New Rome University rather than saving the world.
  • "Well Done, Son" Guy: He's kind of a sucker for his dad's good opinion.
  • What Beautiful Eyes!: Medusa is entranced by Percy's sea-green eyes, as they remind her so much of his father.
  • Why Did It Have to Be Snakes?: Or rather, airplanes. In Son of Neptune, Percy quickly decides he would rather be driving or running from Laistrygonians and heading towards Alaska on the ground, than flying far out of their reach in an airplane. Not that he has much choice in the matter. This is carried over from the previous series, where Percy doesn't want to ride on planes because Zeus might smite him, as a son of Poseidon, for moving in his domain.
  • Wicked Stepmother: Unlike Nico and Thalia, this is averted for him. While Poseidon's wife Amphitrite understandably acts coldly towards him (Percy was born after Poseidon swore to never have another demigod child), she isn't really the jealous type, bakes him cookies, and doesn't get mad if he leaves his clothes on the floor. Percy says that's all you can ask of an immortal stepmom. His second stepfather, Paul, is also a genuinely nice and supportive guy. His first stepfather, on the other hand....
  • Wild Card: As a child of Poseidon, it is stated in-universe that he is naturally this. Pretty much the only thing his enemies can predict about him is that he will go out of his way to rescue his friends and family.
  • Worf Had the Flu: His spars with Luke and Chrysaor can come off as this. Percy is regarded as the best naturally talented swordsman in Camp Half-Blood, being able to take on Ares and several other powerful monsters and come out alive. His skills are rivaled only by Luke, who once caught Percy off guard and nearly killed him in a fight, even when the latter was empowered by water. Chrysaor, meanwhile, disarms Percy effortlessly when they cross blades, and is implied to have tried to prevent Percy from capsizing his pirate ship (due to being a son of Poseidon himself).
  • You Are Not Ready: It's shown as far back as the ending of The Titan's Curse when he tries to fight Atlas, but when he fights a newly resurrected Kronos it becomes clear that Percy is now out of his league when it comes to enemies. So Nico suggests he Take a Level in Badass by swimming in the Styx.
  • You Are Worth Hell: Chooses to fall into Tartarus with Annabeth rather than lose her again.
    Percy: We're staying together. You're not getting away from me. Never again.

"For once, I didn't look back."