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Happy Thanksgiving!
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* VillainHasAPoint: When Apollo calls her out on her plan to [[spoiler: kill her own grandfather Helios by infusing his essence into Caligula along with Apollo's to make him the new sun god]], she points out how the [[BigScrewedUpFamily Olympians are family and try to kill each other all the time]]. Apollo hates to admit that she has a point.
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* HoistByHisOwnPetard: Her first husband, Ouranos, is incapacitated because she arranged for the Titans to mutilate him while he's in his most vulnerable: when he visited earth and thus was away from his domain, the sky. [[spoiler: Come the end of the series, and Gaea is incapacitated the same way: being lured into a place she is the most vulnerable: the sky.]]
to:
* HoistByHisOwnPetard: Her first husband, Ouranos, is incapacitated because she arranged for the Titans to mutilate him while he's in his most vulnerable: when he visited earth and thus was away from his domain, the sky. [[spoiler: Come the end of the series, and Gaea Gaia is incapacitated the same way: being lured into a place she is the most vulnerable: the sky.]]
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* BrilliantButLazy: Most likely inherited a talent for engineering from his father but would much rather invest his efforts into counterfeiting already existing things.
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* ShoddyKnockoffProduct: He wants to become a god of counterfeit products.
* StealthPun: The son of the God of the forge seems more invested in forg'''ery'''.
* StealthPun: The son of the God of the forge seems more invested in forg'''ery'''.
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* AesopAmnesia: Defied. He never really learned the anti greed lesson his story is often used to teach to begin with. He simply learned how to reverse the unintended consequences of his gift.
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* KarmicDeath: While not truly dead for good, [[spoiler: She does get vaporized by the same trick she and the titans used on Ouranos, and as a consequence she can't reform for slightly less the eternity just like her husband and son Kronos (who she callously ignored during his second uprising). For bonus points she tried to kill and manipulate everyone involved and actually succeeded in killing a few of their loved ones.]]
* KickTheDog: She [[spoiler: threatened to kill Leo's mother and in a way succeeded in doing so in particularly cruel manner. She caused Leo to set fire to his mom's workshop and accidentally kill her.]]
* KickTheDog: She [[spoiler: threatened to kill Leo's mother and in a way succeeded in doing so in particularly cruel manner. She caused Leo to set fire to his mom's workshop and accidentally kill her.]]
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* WeaksauceWeakness: It's his first defeat that highlights that the Giants weakness of Demigods and Gods working together means ''any'' god, not just major ones. Case in point, he gets his ass handed to him by Percy and Terminus working together.
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* KissOfDeath: She and Tammi try to entice Percy into one of these, but fail.
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* * PomPomGirl: As part of her cheerleader disguise.
to:
* ThoseTwoBadGuys: [[SubvertedTrope Subverted]] rather strangely. Kelli and her trainee Tammi initially appear to play this role in ''Battle of the Labyrinth'', but by the time the empousai reappear in the next series, Kelli has reformed but Tammi has [[ChuckCunninghamSyndrome vanished with no explanation]].
Changed line(s) 424 (click to see context) from:
--> "That silly legend was based on us, you fool. We are ''empousai'' servants of Hecate."
to:
--> "That silly legend was based on us, you fool. We are ''empousai'' ''empousai'', servants of Hecate."
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Changed line(s) 439 (click to see context) from:
* FatalFlaw: Like Annabeth, hers is {{Pride}}.
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* FatalFlaw: Like Annabeth, hers is {{Pride}}. Annnabeth ends up using against her to survive their encounter.
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* {{Pride}}: Her defining character trait.
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* {{Pride}}: Her defining character trait. After seeing her abilities at weaving, even Annabeth is willing to admit she might very well be the superior weaver to her mother Athena, but Arachne's mistake was boasting of said abilities to Athena's face.
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* DeaderThanDead: [[spoiler:Seems to be the implications of her fate in ''The Burning Maze''. After getting stabbed by Piper, her body is pushed into the essence of Helios, who Apollo then urges to move on and rest in Chaos, which he does. Being her essence was mixed in with his, it's implied that if she's not gone permanently, then it'll take a few centuries for her to come back.]]
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* AscendedExtra: Like Lityerses, Medea is a much more prominent antagonist in ''TheTrialsOfApollo'' than she was in ''The Lost Hero''.
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* DragonInChief: [[spoiler:The plot of ''The Burning Maze'' hinges almost entirely on her, rather than on [[BigBad Caligula himself]].]]
* [[spoiler:KarmicDeath]]: [[spoiler:Piper kills her in revenge for Jason's death.]]
* [[spoiler:KarmicDeath]]: [[spoiler:Piper kills her in revenge for Jason's death.]]
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* MisplacedRetribution: She basically cursed all demigods to show Hera what it's like to lose her children. Problem is, Hera has no mortal children whatsoever, and even explicitly disapproves of the ones born to married gods (such as her husband).
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* ArchEnemy: To Hades. Also to Hazel, seeing as she was the one who resurrected him.
to:
* ArchEnemy: To Hades. Also to Hazel, seeing as she was the one who resurrected him.was manipualted into resurrecting him.
* CurbStompBattle: What he did to the 5th Cohort of the 80's.
* CurbStompBattle: What he did to the 5th Cohort of the 80's.
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* VillainRespect: Unlike most giants, he does have the ability to compliment his enemies. He is aware of Percy's past exploits and acknowledges his defeat of Kronos in the previous series as a worthy feet of a hero.
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* RelatedInTheAdaptation: A demigod son of Demeter here, to which he attributes his skills with the blade ("[Reaping]'s just the flipside of sowing"). In the original myths his mother was unnamed.
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* RelatedInTheAdaptation: A In the original myths his mother was unnamed. Here he is a demigod son of Demeter here, Demeter, to which he attributes his skills with the blade ("[Reaping]'s just the flipside of sowing"). In the original myths his mother was unnamed.sowing").
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* RelatedInTheAdaptation: A demigod son of Demeter here, to which he attributes his skills with the blade ("[Reaping]'s just the flipside of sowing"). In the original myths his mother was unnamed.
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* PapaWolf: One of his motivations to rebel against the authority again is because of what Zeus did to his daughter, Leto, which caused her to somehow end up in Tartarus.
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* PapaWolf: One of his motivations to rebel against the authority again is because of what Zeus did to Zeus's treatment of his daughter, Leto, which caused her to somehow end up in Tartarus.daughter Leto.
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* RelatedInTheAdaptation: In the original myths, Tartarus didn't father the giants (Ouranos did) nor he actually married Gaea (though he did have an intimate relationship with her).
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* RelatedInTheAdaptation: In Depending on the source, in some of the original myths, myths Tartarus didn't father the giants (Ouranos did) (they're generally described as springing from Ouranos's blood in such tellings), nor was he actually married Gaea (though he did have an intimate relationship with her).
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** Explicitly points out that the story never really ended with him "learning his lesson", just that he learned how to restore the things his curse affected.
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* [[HeelFaceTurn]]: He pulls one after [[spoiler:being saved from [[YouHaveFailedMe Commodus trying to kill him for losing in a skirmish against some Hunters]]]].
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* [[HeelFaceTurn]]: [[spoiler:HeelFaceTurn]]: He pulls one after [[spoiler:being saved from [[YouHaveFailedMe Commodus trying to kill him for losing in a skirmish against some Hunters]]]].
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* WeHardlyKnewYe: Is described the least, only appears in the final book of ''The Heroes of Olympus'' series, and unlike Mimas and Thoon, doesn't play any memorable role.
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* WeHardlyKnewYe: Is described the least, and only appears in the final book of ''The Heroes of Olympus'' series, and unlike Mimas and Thoon, doesn't play any memorable role.
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* GoodScarsEvilScars: Covered in scars from his swordfights.
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* GoodScarsEvilScars: Covered TheBusCameBack: He shows up in ''[[Literature/TheTrialsOfApollo The Dark Prophecy]]'', six books after his initial appearance.
* CoveredInScars: He is covered in scars from his swordfights.
* CoveredInScars: He is covered in scars from his swordfights.
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* [[HeelFaceTurn]]: He pulls one after [[spoiler:being saved from [[YouHaveFailedMe Commodus trying to kill him for losing in a skirmish against some Hunters]]]].
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Edited some mistakes and added examples.
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* EvenEvilHasLovedOnes: She ''loves'' the giants, whose first imprisonment by Ouranos was the cause of the first coup d'etat in divine history: she was angered so much that she made her other children, the Titans, to depose their father and free their siblings. In the present, she makes the giants free themselves first before she wakes up herself.
to:
* EvenEvilHasLovedOnes: She ''loves'' the giants, whose first imprisonment by Ouranos was the cause of the first coup d'etat in divine history: she was angered so much that she made her other children, the Titans, to depose their father and free their siblings.giants. In the present, she makes the giants free themselves first before she wakes up herself.
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* AdaptationalVillainy: Tartarus is not a bad guy in myths, not even the [[EverybodyHatesHades Hades-kind]] bad guy. He's a sort of a static character who functions more as a locale (being the worst prison for any being), and his relationship with Gaea that produced Typhon is a strictly a one-shot affair with no indication that he hopes it would be used against the gods.
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* RelatedInTheAdaptation: In the original myths, Tartarus didn't father the giants (Ouranos did) nor he actually married Gaea (though he did have an intimate relationship with her).
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Added examples.
* AbusiveParents: Locked Damasen inside Tartarus and forced him to kill the Maeonian Drakon over and over again because he stopped the drakon from harming humans. She's also responsible for the death of her other son, Orion, but, in contrast to how she justified Damasen's imprisonment, she did so to prevent him from killing every beasts on earth.
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* BigBad: Of the series.
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* BigBad: Of the ''The Heroes of Olympus'' series.
* CurbStompBattle: [[spoiler: Her ultimate defeat. She only wakes up for less than five minutes, during which she's lured to the sky, charmed to sleep, and finally finished off by a ball of fire. Embarrassingly, she's defeated by a trio of mere ''demigods'' (well, four, if you count Octavian), unlike the giants, who need a demigod/god combination to be killed. What a primordial being.]]
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* TheEndOfTheWorldAsWeKnowIt: The entire plot is about preventing Gaia from waking up, since this trope is what's going to happen if she does. And she can't be defeated, because her body is the planet Earth itself.
to:
* TheEndOfTheWorldAsWeKnowIt: The entire plot is about preventing Gaia from waking up, since this trope is what's going to happen if she does. And [[spoiler: She does manage to wake up in the climax of ''The Blood of Olympus'', but she's swiftly defeated before she can't be defeated, because can do much destruction (and she doesn't cause them, as the fight takes place outside of Camp Half-Blood).]]
* EvenEvilHasLovedOnes: She ''loves'' the giants, whose first imprisonment by Ouranos was the cause of the first coup d'etat in divine history: she was angered so much that she made herbody is other children, the planet Earth itself.Titans, to depose their father and free their siblings. In the present, she makes the giants free themselves first before she wakes up herself.
* EvenEvilHasLovedOnes: She ''loves'' the giants, whose first imprisonment by Ouranos was the cause of the first coup d'etat in divine history: she was angered so much that she made her
* HoistByHisOwnPetard: Her first husband, Ouranos, is incapacitated because she arranged for the Titans to mutilate him while he's in his most vulnerable: when he visited earth and thus was away from his domain, the sky. [[spoiler: Come the end of the series, and Gaea is incapacitated the same way: being lured into a place she is the most vulnerable: the sky.]]
* PetTheDog: She seems to have an affinity for non-humanoid, beastly beings over humanoid ones. Her killing Orion was to stop him from killing all beasts on earth, and she imprisoned Damasen because he killed a beast that threatened humans. Then there's her love for giants, who are decidedly less humanoid than the Titans or Olympian gods.
* KilledOffscreen: [[spoiler: The one who kills him for the second time is not identified.]]
* CurbStompBattle: [[spoiler: As with other giants, he's easily defeated for the second time by Annabeth and Athena.]]
* CurbStompBattle: [[spoiler: Offed for the second time by Percy and Poseidon.]]
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Counterpart to Hecate. Incinerated by Hecate. With the liberation of the Doors of Death from Gaia's control, he is currently the only destroyed member of the Giants.
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Counterpart to Hecate. Incinerated by Hecate. With the liberation of the Doors of Death from Gaia's control, he is currently the only destroyed member of the Giants.\n
* FaceOfAnAngelMindOfADemon: Very handsome and very evil (to strong women, at least).
* HeroKiller: The giant with the most number of named casualties. He kills [[spoiler: Phoebe, Kinzie, Naomi, Celyn, plus countless other elite Amazons and Hunters of Artemis, all in one fell swoop.]]
* PoliticallyIncorrectVillain: He ''hates'' strong women.
* PrettyBoy: Unlike other giants, he's in the shape of a human and is sized as such (though taller than most). That alone makes him the prettiest of his brethren. Then he's described to be a handsome hunk who attracted even the goddess of misandrists herself...
* PrettyBoy: Unlike other giants, he's in the shape of a human and is sized as such (though taller than most). That alone makes him the prettiest of his brethren. Then he's described to be a handsome hunk who attracted even the goddess of misandrists herself...
* DontThinkFeel: The only way to defeat him. It's stated more or less word-for-word by Piper.
* CurbStompBattle: [[spoiler: At the hands of Piper and Aphrodite.]]
* DesignatedGirlFight: Her on-screen opponents are all women. [[spoiler: She's first tasked to capture Annabeth, then has to face her and Piper. Later, when the gods arrive, she's killed at the hands of Piper and her mother, Aphrodite.]]
* HarmlessFreezing: [[spoiler: Is frozen by Piper's Boread sword, but manages to thaw herself later.]]
* ImpaledPalm: [[spoiler: Piper charmspeaks her to miss her knife shot and impale her own palm.]]
* DesignatedGirlFight: Her on-screen opponents are all women. [[spoiler: She's first tasked to capture Annabeth, then has to face her and Piper. Later, when the gods arrive, she's killed at the hands of Piper and her mother, Aphrodite.]]
* HarmlessFreezing: [[spoiler: Is frozen by Piper's Boread sword, but manages to thaw herself later.]]
* ImpaledPalm: [[spoiler: Piper charmspeaks her to miss her knife shot and impale her own palm.]]
* AnArmAndALeg: [[spoiler: Piper cuts his right hand while he is performing a ritual to sacrifice Percy and Annabeth. He reattaches it back, though.]]
* CurbStompBattle: [[spoiler: By the Moirae.]]
* CurbStompBattle: [[spoiler: By the Moirae.]]
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* KnifeNut: His weapon is a giant meat cleaver
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* KnifeNut: His weapon is a giant meat cleavercleaver.
* TapOnTheHead: [[spoiler: Gets smacked by the Moirae's clubs multiple times. Jason describes it as the weirdest thing he sees of all the giant battles, considering that the Moirae take the form of old women.]]
* TapOnTheHead: [[spoiler: Gets smacked by the Moirae's clubs multiple times. Jason describes it as the weirdest thing he sees of all the giant battles, considering that the Moirae take the form of old women.]]
----
* KilledOffscreen: [[spoiler: Perishes alongside the other giants but the one who defeats him is not identified.]]
* WeHardlyKnewYe: Is described the least, only appears in the final book of ''The Heroes of Olympus'' series, and unlike Mimas and Thoon, doesn't play any memorable role.
* KilledOffscreen: [[spoiler: Perishes alongside the other giants but the one who defeats him is not identified.]]
* WeHardlyKnewYe: Is described the least, only appears in the final book of ''The Heroes of Olympus'' series, and unlike Mimas and Thoon, doesn't play any memorable role.
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* ExactWord: She uses this against the Amazons. Their code allows a challenger to fight the current queen to the death for the throne, but says nothing about what to do if the defeated challenger rises from the dead and repeats the challenge.
to:
* ExactWord: ExactWords: She uses this against the Amazons. Their code allows a challenger to fight the current queen to the death for the throne, but says nothing about what to do if the defeated challenger rises from the dead and repeats the challenge.
* AttackOfThe50FootWhatever: As with all other protogenoi.
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* OrcusOnHisThrone: He fathers monsters with Gaia and serves as a respawn point for all monsters, but he doesn't really get involved himself. At the current point in time, he's only formed a corporeal form once
to:
* OrcusOnHisThrone: He fathers monsters with Gaia and serves as a respawn point for all monsters, but he doesn't really get involved himself. At the current point in time, he's only formed a corporeal form onceonce. [[spoiler: In fact, he doesn't participate in the final battle.]]
* TheUnfought: The heroes never even ''try'' to touch him, while [[spoiler: Damasen and Bob's sacrifices]] simply distract him long enough for the heroes to flee before [[spoiler: Tartarus possibly kills them.]] Thanks to this, [[spoiler: he's one of Gaea's two major allies (alongside Python) to survive the Second Gigantomachy.]]
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* CreepyBlueEyes: He has cold blue eyes.
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects.
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects.
to:
* CreepyBlueEyes: He has cold blue eyes.
eyes, which he passed down to his granddaughter, Artemis (much to Percy's discomfort).
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects. He also loves Leto dearly.
* PapaWolf: One of his motivations to rebel against the authority again is because of what Zeus did to his daughter, Leto, which caused her to somehow end up in Tartarus.
* PerpetualSmiler: Which Percy notes is passed down to Apollo.
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects. He also loves Leto dearly.
* PapaWolf: One of his motivations to rebel against the authority again is because of what Zeus did to his daughter, Leto, which caused her to somehow end up in Tartarus.
* PerpetualSmiler: Which Percy notes is passed down to Apollo.
* AffablyEvil: She is courteous around fellow sorcerers and even invites Hazel for a personal discussion before they battle.
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%%LadyOfBlackMagic
* NiceJobFixingItVillain: [[spoiler:Resurrecting the Labyrinth.]]
* SmallRoleBigImpact: Resurrects [[spoiler:Daedalus's Labyrinth]] in her twenty-odd page appearance, inadvertently providing the heroes with a way to [[spoiler:get the Arthena Parthenos back to Camp Half-Blood.]]
* NiceJobFixingItVillain: [[spoiler:Resurrecting the Labyrinth.]]
* SmallRoleBigImpact: Resurrects [[spoiler:Daedalus's Labyrinth]] in her twenty-odd page appearance, inadvertently providing the heroes with a way to [[spoiler:get the Arthena Parthenos back to Camp Half-Blood.]]
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* SmallRoleBigImpact: Resurrects [[spoiler:Daedalus's Labyrinth]] in
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* TheBeastmaster: He has a giant pet turtle.
* DualWielding: Magical pistols that reload themselves.
* ExactWords: He won't shoot you, he'll just kick you off the cliff to his turtle pal.
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutely disgusting, but also because as soon as you bend down, he kicks you right off the cliff.
* ImprobableAimingSkills: Up to Eleven. He takes pride in this.
* DualWielding: Magical pistols that reload themselves.
* ExactWords: He won't shoot you, he'll just kick you off the cliff to his turtle pal.
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutely disgusting, but also because as soon as you bend down, he kicks you right off the cliff.
* ImprobableAimingSkills: Up to Eleven. He takes pride in this.
to:
* TheBeastmaster: He has BrilliantButLazy: Odd example; he finds his hydrokinetic gifts as a giant pet turtle.
* DualWielding: Magical pistols that reload themselves.
son of Poseidon too much of a hassle to master, so instead he nurtured an exceptional skill in marksmanship.
* ExactWords:He won't shoot you, he'll just kick you off Swears on Styx to send Jason and Hazel down the cliff once he gets what he wants out of them. They pick up on the odd wording.
* FauxAffablyEvil: Acts amicable and reasonable but it's a facade tohis turtle pal.
execute people as unexpectedly as possible.
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutelydisgusting, ''disgusting'', but also because as soon as you bend down, he kicks you right off the cliff.
cliff.
* ImprobableAimingSkills:Up to Eleven.UpToEleven. He takes pride in this. Hazel compares him to a son of Apollo.
* KarmicDeath: Like in his original legend, he was tricked and kicked off the cliff he intended to send the hero(es) down from and eaten by his own giant turtle.
* PetMonstrosity: Poseidon gifted him a giant sea turtle.
* DualWielding: Magical pistols that reload themselves.
* ExactWords:
* FauxAffablyEvil: Acts amicable and reasonable but it's a facade to
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutely
* ImprobableAimingSkills:
* KarmicDeath: Like in his original legend, he was tricked and kicked off the cliff he intended to send the hero(es) down from and eaten by his own giant turtle.
* PetMonstrosity: Poseidon gifted him a giant sea turtle.
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Deleted line(s) 222 (click to see context) :
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* KnifeKnut: His weapon is a giant meat cleaver
to:
* KnifeKnut: KnifeNut: His weapon is a giant meat cleaver
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This is a misconception. Percy wasn't rendered a shivering wreck by Polybotes' presence, but by seeing centaurs and cyclopes marching towards Camp Jupiter. It affected him like this because his repressed memories remembered fighting alongside such creatures in the past. Polybotes had nothing to do with it.
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* InformedAbility: Supposed to be the anti-Poseidon, and his mere presence left Percy in a shivering pile the first time he saw the giant. Percy proceeded to open up a can of [[CurbStompBattle whoopass]] on him when they encountered one another during the last battle, and Polybotes became the first giant to lose against a demigod in single combat (okay ''technically'' a god was there). Some anti-Poseidon.
to:
* InformedAbility: Supposed to be the anti-Poseidon, and his mere presence left Percy in a shivering pile the first time he saw the giant.anti-Poseidon. Percy proceeded to open up a can of [[CurbStompBattle whoopass]] on him when they encountered one another during the last battle, and Polybotes became the first giant to lose against a demigod in single combat (okay ''technically'' a god was there). Some anti-Poseidon.
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The first werewolf.
to:
The first werewolf.werewolf, cursed by Jupiter when he tried to serve human meat to the King of Gods. Like Midas above, did not learn.
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* * PomPomGirl: As part of her cheerleader disguise.
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An empousa who first served in Kronos's army, she seeks to return to the world of the living and inflict her revenge. Her tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
to:
An empousa empousai who serves Kronos first served in Kronos's army, she seeks and Luke second. Trainer of her sister Tammi and a senior empousia, being over a thousand years old. [[spoiler:Later on revealed to return to have actually been serving Gaea, the world serving Kronos was just a means to help wake Gaea]]. She was later on seen leading a group of the living and inflict her revenge. Her tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos other empousai through Tartarus. For more on ''empousia'' go [[Characters/TheCampHalfBloodSeriesMonsters here]].
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
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* AllGuysWantCheerleaders: Unfortunately it's implied to be how she gets her [[ToServeMan food]].
* TheBusCameBack: She reappears in ''[[Literature/TheHeroesOfOlympus The House Of Hades]]''.
* TheCheerleader: First met disguised as one.
* ChronicBackstabbingDisorder: [[spoiler:First Kronos and then her creator Hecate, all to help Gaea rise and to feast on demigods.]]
* FieryCoverup: Does this to escape and frame Percy for setting his school on fire in the first chapter of ''[[Literature/PercyJacksonAndTheOlympians The Battle Of The Labyrinth]]''.
* ImpaledWithExtremePrejudice: Annabeth runs her through with her dagger.
* ItsPersonal: Towards Percy Jackson as revealed in ''The House Of Hades'' and probably Annabeth.
* PokeInTheThirdEye: Every time Percy sees her in a dream he wakes up when she detects and lunges for him.
* YourVampiresSuck: Kelli's speech says it all.
--> "That silly legend was based on us, you fool. We are ''empousai'' servants of Hecate."
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
----
* TheBusCameBack: She reappears in ''[[Literature/TheHeroesOfOlympus The House Of Hades]]''.
* TheCheerleader: First met disguised as one.
* ChronicBackstabbingDisorder: [[spoiler:First Kronos and then her creator Hecate, all to help Gaea rise and to feast on demigods.]]
* FieryCoverup: Does this to escape and frame Percy for setting his school on fire in the first chapter of ''[[Literature/PercyJacksonAndTheOlympians The Battle Of The Labyrinth]]''.
* ImpaledWithExtremePrejudice: Annabeth runs her through with her dagger.
* ItsPersonal: Towards Percy Jackson as revealed in ''The House Of Hades'' and probably Annabeth.
* PokeInTheThirdEye: Every time Percy sees her in a dream he wakes up when she detects and lunges for him.
* YourVampiresSuck: Kelli's speech says it all.
--> "That silly legend was based on us, you fool. We are ''empousai'' servants of Hecate."
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
----
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* ThePowerOfTheVoid: Everything about his physical description. He has VoiceOfTheLegion that echoes inwards instead of outwards, a vortex for a face that absorbs essences and Annabeth describes the environment as looking like it's being pulled into him.
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Tired of the rule of her descendants the gods and angered by the murder of her children the titans, Gaea, goddess of the Earth itself, seeks to rise once more.
[[foldercontrol]]
[[folder:Gaia/Terra]]
The goddess of the Earth and progenitor of the Titans and, by extension, the Olympians. BigBad of the ''Heroes of Olympus'' series.
----
* AffablyEvil: She maintains a calm and polite air at all times, even when taunting heroes and all but outright saying she wants them dead.
* BigBad: Of the series.
* TheChessmaster: Seems to have planned out or predicted an awful lot of characters' choices prior to the beginning of the story.
* DishingOutDirt: She is the Earth. Like in the original mythology, she does not have nature-based powers (this was the domain of Pan).
* TheDreaded: Everybody's scared of her. She is, after all, ''the earth''.
* EldritchAbomination: Seeing as her body is ''the entire planet''.
* TheEndOfTheWorldAsWeKnowIt: The entire plot is about preventing Gaia from waking up, since this trope is what's going to happen if she does. And she can't be defeated, because her body is the planet Earth itself.
* EvilMatriarch: The mother of all the gods and monsters except for the [[EldritchAbomination most primordial]] of them.
* {{Foil}}:
** To Juno. Both are matriarchs who are generally disliked, but Juno wants to save the world while Gaia wants to destroy it.
** To Kronos, the previous BigBad -- she takes a more direct approach to manipulating the main players of the prophecy.
* GaiasVengeance: Although she's not directly taking it out on mortals, just the mythological creatures.
* LogicalWeakness: Because she ''is'' the all-powerful Earth Mother, [[spoiler: she's near-powerless when in the air]].
* TheManBehindTheMan: In the first book, behind her son Porphyrion.
* ManipulativeBastard: Definitely more keen on this tactic then Kronos was. Following the theme of family ties, she emotionally manipulates near everyone using loved ones (Piper, Percy, Leo, Hazel, even some gods). Frank is supposedly an exception, thanks to his convoluted legacy.
* NonActionBigBad: Because she's asleep, she pulls strings to get what she wants rather than directly doing things herself.
* ParentalFavoritism: Very blatantly favored the giants over the Titans.
* SignificantBirthdate: Invoked. She chooses August 1, the Feast of the Goddess of Hope, to begin the second Gigantomachy.
[[/folder]]
!!Gigantes (The Giants)
[[folder:Porphyrion]]
The most powerful of the giants and their king. Deigned to be a direct counter to Zeus including power.
----
* ArchEnemy: To Zeus.
* AuthorityEqualsAsskicking: When at full strength.
* BladeOnAStick: His main weapon
* CurbStompBattle: In the last book, [[spoiler: He is on the receiving end of one at the hands of Zeus and Jason. Zeus nearly kills him with his Master bolt before Jason blows him off a cliff and Zeus uses another lighting blast to reduce him from ash. His own spear is sliced in half and he fails to mount any sort of defense or offense.]]
* TheDragon: To Gaia.
* HairDecorations: Like most Giants. His "decorations" of choice are weapons (implied to be those of past enemies).
* LargeAndInCharge: Described as the tallest of the giants and the most built physically.
* OrcusOnHisThrone: Is resurrected in the first book only to do nothing over the next four while the heroes steadily advance toward him. Any actual planning or action is taken by Gaia.
[[/folder]]
[[folder:Polybotes]]
Counterpart to Poseidon.
----
* ArchEnemy: To Poseidon.
* TheBrute: Powerful for sure, but clearly not the most cunning of the giants.
* CurbStompBattle: In the last book, [[spoiler: Both gives and receives one. He fights Percy in the water and his poison instantly takes Percy out, but is on the receiving end of one from Jason and Kymopoleia. And he only won the Percy battle because Percy intentionally swam into the poison because he felt he deserved to be punished for prior actions.]]
* HairDecorations: He has ''live basilisks'' slithering in his hair.
* InformedAbility: Supposed to be the anti-Poseidon, and his mere presence left Percy in a shivering pile the first time he saw the giant. Percy proceeded to open up a can of [[CurbStompBattle whoopass]] on him when they encountered one another during the last battle, and Polybotes became the first giant to lose against a demigod in single combat (okay ''technically'' a god was there). Some anti-Poseidon.
* PaperTiger: All of the giants vastly over-exaggerate themselves one way or the other, but Polybotes is the worst. Despite his frighting appearance and and status as the anti-Poseidon he is stymied by minor goddesses defeated relatively easily in single-combat with demigods. Especially hilarious in the second time it was underwater, which should have been his domain, against a child of the sky.
* PoisonousPerson: His very touch turns water to poison.
* ProngsOfPoseidon: Simultaneously of the sea, gladiator, and evil varieties.
[[/folder]]
[[folder:Alcyoneus]]
Counterpart to Pluto and the eldest of the Giants.
----
* ArchEnemy: To Hades. Also to Hazel, seeing as she was the one who resurrected him.
* GemTissue: Is covered in various precious jews and metals, in fact his very own heart is a made of diamonds.
* TheDragon: To Gaia, spanning the time period from the forties to Porphyrion's rise.
* TheHeavy: Of ''The Son of Neptune''.
* MadeOfIndestructium: Except if he's out of his homeland Alaska.
* TooDumbToLive: As pointed out by Frank -- when you're unkillable as long as you stay in the boundaries of the state of Alaska, you really shouldn't hang out in the part of the state that's only 10 miles wide.
--> '''Frank:''' "Welcome to Canada, idiot."
[[/folder]]
[[folder:Enceladus]]
Counterpart to Athena.
----
* ArchEnemy: To Athena.
* BerserkButton: After their first encounter, Leo becomes one to him.
* BreathWeapon: Possesses fiery breath.
%%DisneyVillainDeath
* EvilGenius: The most intelligent of the giants and the tactician among them, but given how stupid some of his fellow giants are this isn't saying much.
* FlunkyBoss: He's aided in his fight against Jason, Piper, and Leo by several Earthborn.
* HairDecorations: He has bones braided into his hair.
* IHaveYourWife: Takes Tristan [=McLean=] hostage to force Piper's allegiance.
[[/folder]]
[[folder:Otis & Ephialtes]]
Counterparts to Dionysus.
----
* BerserkButton: Exploited by Percy during his fight with Otis. Insulting ballet enrages him so that he makes stupid mistakes.
* ButtMonkey: Poor Otis owns this trope.
* TheDarkChick: The smallest and least threatening of the Giants seen thus far.
* FanDisservice: Otis' form-fitting tutu.
* HairDecorations: Gold and silver coins, and, at one point, [[TemptingFate fireworks]].
* IdenticalTwinIDTag: Ephialtes has purple hair; Otis's is green.
* {{Jerkass}}: Ephialtes.
* RealMenWearPink: Otis is fond of ballet and wears a tutu during the fight with Percy and Jason. Everybody else, Ephialtes included, finds this revolting.
* SensitiveGuyAndManlyMan: With Otis as the sensitive one and Ephialtes as the Manly Man.
* ThoseTwoBadGuys: Always seen together and are characterized by their interactions with one another.
[[/folder]]
[[folder:Clytius]]
Counterpart to Hecate. Incinerated by Hecate. With the liberation of the Doors of Death from Gaia's control, he is currently the only destroyed member of the Giants.
----
* AntiMagic: His Shroud of Darkness neutralizes the mist.
* ArchEnemy: To Hecate.
* BlackCloak: One made out of smoke because, you know, EvilWearsBlack.
* EnergyAbsorption: Since his ArchEnemy is the goddess of magic, Clytius was designed to absorb all her magic attacks.
* EvilSoundsDeep: Described as sounding like a bass guitar.
* HairDecorations: An [[AvertedTrope aversion]] among giants; he has no special decorations. The only unusual thing is that the braids appear to be made of smoke.
* KillItWithFire: The one way to defeat him is with magical fire.
* PeoplePuppets: [[spoiler: Controls Annabeth, Percy and Leo (and even corpses in the tombs of the Necromanteion) and uses their mouths to speak for him.]]
* SuperSmoke: Controls smoke that absorbs all Mist and magic. [[spoiler: It also is used to steal people's voices and drain their life force.]]
* TheQuietOne: Out of all the Giants, Clytius rarely speaks.
* VoiceForTheVoiceless: [[spoiler: Doesn't use his own mouth, rather he steals people's vocal cords and communicates using their mouths.]]
[[/folder]]
[[folder:Orion]]
Counterpart to Artemis and Apollo.
----
* AdaptationalVillainy: In the original mythology, Orion, while sometimes depicted as a giant, did not participate in the Gigantomachy.
* EgomaniacHunter: A curse by Apollo turned him into one in ancient times and upon his return from Tartarus he has become one to women.
* FaceHeelTurn: Originally sided with the gods against the giants and fell in love with his target. [[TraumaCongaLine After that brought him nothing but pain and misery]], he decided to go back to the giants.
* HeManWomanHater: Originally loved Artemis, but being rejected by her, cursed by Apollo, and sent down to Tartarus caused him to make an about face and hunt any "strong" women with a focus on Artemis' Hunters and the Amazons.
* HuntingTheMostDangerousGame: Strong women, specifically.
* StrawMisogynist: Is he ever. He despises strong women, and wooed Artemis partly so he could "tame" her. To be fair, it's implied he was nowhere ''near'' as bad in the past and it was [[TraumaCongaLine Apollo cursing him for chasing after Artemis and eventually sending him to Tartarus]] that made him really hate women.
* TraumaCongaLine: What caused him to join his fellow giants despite originally siding with the gods. First he was blinded for flirting (well, that's all ''he'' claims it was) with a mortal princess, given new eyes, joined the Hunters of Artemis (the only male) only to fall in love with Artemis and be rejected, cursed by Apollo who feared Artemis might grow weak in her vows of maidenhood, cursed to hunt down every beast of the earth till [[MotherNature his own mother, Gaia]] had to send a giant scorpion to kill him, and finally sent down to Tartarus.
* YouCantFightFate: Tried to fight his destiny and fell in love with the goddess he was supposed to destroy. Being rejected, cursed, and finally cast down into Tartarus for his troubles caused him to accept his fate and fight the gods.
[[/folder]]
[[folder:Mimas]]
Giant counterpart to Hephaestus. Resides in the Temple of Fear.
----
* DropTheHammer: Carries a giant sledgehammer.
* WalkingTechbane: Specifically invoked, as he was made to counter the god of technology. Around him, "maps are misread, devices break, data is lost, and the finest minds turn to mush" (which is why Annabeth has such a hard time with him).
[[/folder]]
[[folder:Periboia]]
Porphyrion's daughter and princess of the Giants. Counterpart to Aphrodite.
----
* TheSmurfettePrinciple: The only female Giant we see, and also the only one not explicitly a child of Gaia.
[[/folder]]
[[folder:Thoon]]
The counterpart of The Fates.
----
* EvilSoundsDeep: His voice is deep enough to shake the ground.
* KnifeKnut: His weapon is a giant meat cleaver
[[/folder]]
[[folder:Hippolytus]]
The counterpart of Hermes.
[[/folder]]
!!Revived Mortals
[[folder:Midas]]
The legendary king with the golden touch. Didn't learn his lesson after all.
----
* AffablyEvil: Midas acts friendly to his guests while trying to turn them into gold.
* ArsonMurderAndJaywalking: Midas forces demigods that find him to choose between being turned to gold or being murdered by his son, he works for Gaia, and runs a gold selling scam.
* FrickinLaserBeams: Not himself, but he bought a few to protect the airspace over his home.
* {{Jerkass}}: Unlike the story he never learned his lesson and gave up his power.
%%MadHatter: Midas.
* TakenForGranite: Midas's power is to turn anything he touches to gold. People are part of everything.
[[/folder]]
[[folder:Lityerses]]
Midas's son.
----
* BloodKnight: Enjoys swordfighting.
* GoodScarsEvilScars: Covered in scars from his swordfights.
%%HotBlooded: Lit.
* InSeriesNickname: He usually goes by "Lit" now.
[[/folder]]
[[folder:Medea]]
Princess of Colchis, department store manager.
----
* CompellingVoice: She has the power of charmspeaking.
* WomanScorned: So crazy she tries to kill Jason for having the name Jason.
* {{Yandere}}: Ur-Example.
[[/folder]]
[[folder:Phineas]]
A blind man with the gift of prophecy brought back to life by Gaia. He gets killed by poison in a bet between him and Percy when Gaia decides to spare Percy rather than him.
----
* AnimalNemesis: He hates harpies.
* BigEater: He's making up for lost time.
* BlindSeer: The mythological Phineas is one of the oldest examples out there.
* YouHaveOutlivedYourUsefulness: He still had some, just not as much as Percy.
[[/folder]]
[[folder:Otrera]]
The first queen of the Amazons. She was sent to claim the throne from her modern successor through combat and lead the Amazons in service of Gaia.
----
* ActionGirl: Part of being an Amazon.
* DeathIsCheap: After she's killed she comes back again the next day.
* ExactWord: She uses this against the Amazons. Their code allows a challenger to fight the current queen to the death for the throne, but says nothing about what to do if the defeated challenger rises from the dead and repeats the challenge.
[[/folder]]
[[folder:Sciron]]
Son of Poseidon and bandit extraordinaire.
----
* TheBeastmaster: He has a giant pet turtle.
* DualWielding: Magical pistols that reload themselves.
* ExactWords: He won't shoot you, he'll just kick you off the cliff to his turtle pal.
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutely disgusting, but also because as soon as you bend down, he kicks you right off the cliff.
* ImprobableAimingSkills: Up to Eleven. He takes pride in this.
[[/folder]]
!!Gods
[[folder:Khione]]
Boreas's daughter, the goddess of snow.
----
* TheBusCameBack: She and her brothers make a reappearance in the fourth book.
* BerserkButton: Never mention GlobalWarming around her.
* BitchInSheepsClothing: She acts nice, and then her true personality is revealed...
* TheDogWasTheMastermind: [[spoiler: Gaia's agent among the Wind Gods.]]
* TheDragon: Seems to be Boreas' main second-in-command and is much more competent than Zetes and Calais.
%% DragonWithAnAgenda
%%FauxAffablyEvil
* AnIcePerson: Displays the greatest prowess in this among the North Winds.
%%IceQueen
* ManipulativeBitch: Oh, so very much. By the fourth book, she's successfully played Zeus, Hera, and Aeolus for chumps, and [[spoiler: convinced Boreas and her brothers to serve Gaia.]]
* TheMole: [[spoiler:For Gaia among the wind gods.]]
* SpannerInTheWorks: [[spoiler:Thanks to her and her brothers' interference, the ''Argo II'' is blown into North Africa and Leo is stranded in Ogygia. Eventually this is all rectified, but the crew loses a lot of time.]]
* TheStarscream: To her father.
* UnderestimatingBadassery: [[spoiler:Shouldn't've dismissed Piper so easily, huh?]]
* WinterRoyalLady: The goddess of snow.
* WomanInWhite: Wears a white silk gown.
[[/folder]]
[[folder:Aeolous]]
Lord of the winds. Normally a servant of Olympus, he does bow to Gaia on the rare occasion she makes a direct demand. For related tropes, see [[Characters/TheCampHalfBloodSeriesMinorGods here]].
[[/folder]]
[[folder:Keto]]
Goddess of sea monsters who seeks to collect the bounty on the heroes after they escape Phorcys's aquarium plan. For related tropes, see [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Tartarus]]
''The'' Tartarus, a manifestation of the darkest part of the Underworld.
----
* ArchnemesisDad: To Damasen.
* BigBadDuumvirate: Implied by his dialogue, and a logical conclusion given that he fathered the Giants with Gaia and is by far the most powerful of her affiliates.
* TheBlank: A variation. He doesn't have a face, but he doesn't have a blank patch of skin either. What he does have is a nightmarish combination of whirlpool and black hole.
* BodyHorror: [[EldritchLocation The entirety of Tartarus is his]] ''[[EldritchLocation body]]''. This is given nods throughout the book as Percy and Annabeth joke about how they're traversing across different parts of his anatomy.
* DarkIsEvil: Oh, you had better believe it!
* DisproportionateRetribution: Destroys [[spoiler:Krios and Hyperion]] for the former describing him in an unflattering manner.
* TheDreaded: For very good reason. It takes [[spoiler:a YouShallNotPass by Bob and Damasen to slow him down long enough for Percy and Annabeth to escape. What, exactly, do you think happened to them afterwards?]]
* EldritchAbomination: The realm of Tartarus is his body, and when he [[HumanoidAbomination assumes a form to deal with them personally]] Percy and Annabeth have a hard time looking directly at him.
* EldritchLocation: Tartarus the location is his body, with all that implies. The ground is flesh, rivers of horrific properties flow across and under the land, the air is poison, and monsters crawl from the living soil. Even ''that'' horrific place is just AFormYouAreComfortableWith, with many successive layers existing simultaneously in the same space, so mind-numbingly horrible that even before you get to the true destroy-you-if-you-look-at-it form you'll be driven mad. On top of that, this entire place is floating in an endless black void that's somehow ''worse''.
* FightingAShadow: The manifestation at the end of the book is simply a form he assumed to deal with the Heroes. His true form ''is'' the locale of Tartarus.
* GeniusLoci: Tartarus' body is pretty much the Greek version of Hell.
* KickTheDog: We probably weren't supposed to feel bad for [[spoiler:Hyperion and Krios]], but his reason for doing what he did to them just makes it callous.
* KnightOfCerebus: Twofold. [[spoiler:Percy and Annabeth]]'s trek across Tartarus (technically his body) is easily one of the darkest parts of the book, and things naturally get worse when he shows up in person.
* MightyGlacier: Is slow but immensely powerful, due to never having taken on a humanoid form before.
* MonsterProgenitor: Fathered Typhon, Kampê, and the giants with Gaia
* OffingTheOffspring: Presumably did this to [[spoiler: Damasen and Bob.]]
* OrcusOnHisThrone: He fathers monsters with Gaia and serves as a respawn point for all monsters, but he doesn't really get involved himself. At the current point in time, he's only formed a corporeal form once
* RealityEnsues: He assumes an incredibly powerful humanoid form to crush Percy and Annabeth...and is barely able to walk, since he's a GeniusLoci and has never done it before.
* UnskilledButStrong: Thankfully, for all his power, he's clearly unused to combat in a corporeal form, a weakness the heroes are able to exploit. Justified, though, as he'd never summoned a physical manifestation of himself before this point, and was essentially taking his baby steps.
* WombLevel: The realm of Tartatus is his body.
[[/folder]]
[[folder:Kymopoleia]]
Goddess of sea storms. For related tropes, see [[Characters/TheCampHalfBloodSeriesMinorGods here]].
[[/folder]]
!!Titans
[[folder:Koios]]
The titan of the North, foresight and knowledge.
----
* BearsAreBadNews: He wears a bear shaped helmet.
* {{BFS}}: As a titan he has a sword to match his size.
* CreepyBlueEyes: He has cold blue eyes.
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects.
* AnIcePerson: As the titan of the North he wields power over cold.
* TheStarscream: He plans to let the giants serve as shock troops, clearing the way for the titans to reclaim their kingdom.
* TheUnfought: He's never fought in any series, and may have never even been fought offscreen.
* VillainOfAnotherStory: He was part of Kronos's second war, though his role in it is unknown. He was either slain at some point in the war or never made it out of Tartarus.
[[/folder]]
[[folder:Krios]]
Titan of the South and constellations. First a part of Kronos's army, he attempts to return to the living world as part of Gaia's war. His tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Hyperion]]
Titan of the East and sun. First a part of Kronos's army, he attempts to return to the living world as part of Gaia's war. His tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
!!Monsters
[[folder:Lycaon]]
The first werewolf.
----
* BackForTheFinale: Reappears in the last book as a servant of Orion, out to get Reyna and Nico.
* OurWerewolvesAreDifferent: Can turn into a full wolf, among other things, and shares the infamous weakness to silver — he is hurt by the silver arrows of the Hunters. Argentum (who is made of silver) can harm his wolves, but Aurum (gold) cannot.
* WolfMan: The very first.
[[/folder]]
[[folder:Euryale and Stheno]]
Mesdusa's elder sisters sisters and fellow gorgons. First seen hunting Percy, they later join up with Polybotes's army to attack New Rome.
----
* AlienBlood: Deadly poison from the left side, healing liquid from the right.
* BattleTrophy: When killed they leave behind a vial of blood from each side of their body, both completely identical.
* BerserkButton: Euryale isn't happy when people assume they can turn people to stone like their younger sister.
* EvilChef: Stheno has shades of this trying to get Percy to eat some poisoned Crispy Cheese 'n' Wieners.
* EvilRedhead: Sort of. The snakes that make up Euryale's hair are [[https://en.wikipedia.org/wiki/Coral_snake Coral Snakes]].
* FangsAreEvil: They've got them, plus several extra snake's worth.
* {{Flight}}: Both have functional bronze wings.
* {{Medusa}}: Not that they're very happy for their little sister to be the most well known example.
* {{Sadist}}: Euryale has shades of this.
* WolverineClaws: They have razor sharp talons.
[[/folder]]
[[folder:Ma Gasket]]
A hypoborean cyclops who lives in Detroit.
----
* AbusiveParents: She is abusive to her sons but doesn't think it's wrong, yet considers herself to be a bad mother because she didn't abandon her children.
* ChainMailBikini: Averted, she wears a chainmail muumuu.
* HeroKiller: She's killed Camp Jupiter soldiers before.
* ImAHumanitarian: Like most cyclopses.
* TheBusCameBack: She returns in ''Son of Neptune'' leading a contingent of cyclopses under Polybotes.
[[/folder]]
[[folder:Sump and Torque]]
The cyclops children of Ma Gasket.
----
* DumbMuscle: Strong but not too bright.
* ThemeNaming: They're both named after engine terms.
* VilalinousCrush: Sump develops one on Piper.
[[/folder]]
[[folder:Michael Varus]]
Son of Janus and a former praetor of New Rome who infamously lost the legion's standard in Alaska.
----
* AmbitionIsEvil: Described as being ambitious and prideful. He led the legion to Rome in a quest for glory, which resulted in a massacre.
* BackForTheFinale: He escapes the battle in Alaska and reappears in ''Blood of Olympus''.
* FateWorseThanDeath: After he's killed again he's sentenced to the Fields of Punishment for his treachery against the gods.
* InTheBack: He stabs Jason from behind in Ithaca.
* MeaningfulName: "Varus" means "crooked" in Latin, although the name most likely is a reference to the historic Publius Quinctilius Varus, who is most well known for losing three legions when ambushed.
* NearVillainVictory: Jason nearly dies from the wound he inflicted.
* TrueSight: As a son of Janus he can see through magical disguises.
* OurGhostsAreDifferent: Gaia only brings him back as a phantom, with a promise of full life should he succeed in his service.
* WeCanRuleTogether: He offers Jason a chance to join Gaia in Ithaca.
[[/folder]]
[[folder:Eidolons]]
Malevolent spirits with the ability to possess mortals, demigods, monsters, and machines.
----
* AndIMustScream: The three we see in ''The Mark of Athena'' [[spoiler: end up forever fused to the remains of several completely trashed Automatons. Yeah, payback's a...]]
* DemonicPossession: ''Duh.''
* ExactWords: They promised not to possess anyone on the Argo II. They didn't say anything about not attacking the crew with other host bodies.
* IntangibleMan: When not in a body.
%%{{Jerkass}}
* SupernaturalGoldEyes: The telltale sign of eidolon possession.
[[/folder]]
[[folder:Kelli]]
An empousa who first served in Kronos's army, she seeks to return to the world of the living and inflict her revenge. Her tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
----
* AllWebbedUp: As a giant spider, this is part of her powers.
* ArchEnemy: She ''hates'' Athena.
* BackForTheDead: [[spoiler: She shows up in person for literally about half a second in ''The House of Hades'', trying to kill Annabeth, only to get killed by Percy.]]
* BodyHorror: Her entire lower half is that of a black widow spider. [[ArchEnemy She's very bitter about that]].
* EnigmaticMinion: Shown to be complicit with Ephialtes and Otis, but the extent of her servitude to Gaia is never really explored. At any rate, she seems much more caught up in her own agenda.
* FatalFlaw: Like Annabeth, hers is {{Pride}}.
%%FauxAffablyEvil
* FinalBoss: Of ''The Mark of Athena''.
* {{Pride}}: Her defining character trait.
[[/folder]]
[[folder:Antinous]]
A suitor of Penelope in life, he returned as a ghoul rather than a living being.
----
* DishingOutDirt: Part of being favored by Gaia. Dirt holds his rotting body together and he can use it to infect and destroy ghosts.
* TheHedonist: Just as he was in life.
* ImpaledWithExtremePrejudice: He's killed again when Jason runs him through.
* WoundThatWouldNotHeal: He still has Odysseus's arrow sticking out of his neck and none of his other wounds ever close.
* ThoseTwoBadGuys: He has this dynamic with Eurymachus.
* WeCanRuleTogether: He offers Jason a chance to join Gaia's ranks.
[[/folder]]
[[folder:Eurymachus]]
A suitor of Penelope in life, he returned as a phantom in search of revenge.
----
* BaldOfEvil: He has no hair.
* TheHedonist: As much as a ghost can be.
* WoundThatWouldNotHeal: As a ghost, he's forever trapped to appear as he was when he died.
* ThoseTwoBadGuys: He briefly has this dynamic with Antonious.
[[/folder]]
[[folder:Beryl Grace]]
Mother of Thalia and Jason Grace, Gaia returns her to life as a mania. Her tropes can be found [[Characters/TheCampHalfBloodSeriesMortals here]].
[[/folder]]
[[folder:Python]]
An ancient earth dragon fought by Apollo. During Gaia's war he returns and blocks Apollo's access to prophecy, but chooses to stay out of the war and bide his time for a better opportunity. His tropes can be found [[Characters/TheCampHalfBloodSeriesTriumvirateHoldings here]].
[[/folder]]
[[folder:King Kekrops]]
The first and eternal king of Athens, this ''geminus'' seeks revenge for being cast out of the city in favor of humans.
----
* FalseFriend: He first appears claiming to be an ally, but it takes Piper less than a chapter to figure out he's lying.
* HalfHumanHybrid: He's a snake from the waist down, like all ''gemini''.
* InTheBack: Frank shoots him as he tries to flee.
* ScrewThisImOuttaHere: When his army of ''gemini'' is cut off, leaving only himself and a handful of warriors, he chooses to flee.
* WalkingShirtlessScene: He wears a cape and nothing else.
[[/folder]]
[[folder:Lamia]]
A peppy old woman who booked Claymore's event in Keeseville, New York. She's mostly an annoyance to Claymore. Only shows up in ''The Demigod Diaries''. [[spoiler:She turns out to be a monster in disguise and the half-sister of Alabaster through Hecate. She's been tracking Alabaster with the intent of murdering him on Gaia's orders, forcing him to move from town to town and constantly keep up magic barriers to hold her off. Thanks to being brought back from Tartarus by Gaia, she can't die, making it difficult for Alabaster to get rid of her for good]].
----
* AndIMustScream: As of the end of ''Son of Magic'', Alabaster knows a spell that will keep her essence from departing to Tartarus, meaning that if he destroys her she will be stuck as a sentient pile of dust for all eternity. Hecate thinks the threat of this should be enough to keep her at bay.
%%AxCrazy
* BitchInSheepsClothing: Hinted at later on, when after acting like an enthusiastic and sweet, if rather irritating, grandmotherly old lady to Claymore, she calls him to demand he hand over the card about Alabaster's address to her for no discerned reason. [[spoiler:Comes to fruition when she shows her true nature as a monster who works for Gaia]].
* CainAndAbel: [[spoiler:The Cain to Alabaster's Abel]].
%%DarkActionGirl
* DisproportionateRetribution: Yes, Hera killing her children was wrong, but crafting a magic to let monsters find demigods everywhere, and then keeping it running, racking up demigod casualties, for ''three thousand plus years'', is way overreacting.
* EvenEvilHasLovedOnes: [[spoiler:She wants to bring back her children, which Gaia promised to do for her. For her, if killing Alabaster means having them back, then so be it]].
* FreudianExcuse: [[spoiler:In the past, when she was a Libyan queen, she was courted by Zeus and had two children she loved. When Hera found out about her relationship with Zeus, she murdered Lamia's children, and in front of her, no less. Needless to say, Lamia didn't take it well]].
* GenkiGirl: An elderly version, but she's quite enthusiastic and full of praise for Claymore after he's finished with the event. [[spoiler:Subverted, however, when she's revealed to be a monster]].
* GreaterScopeVillain: She's the one who granted monsters the power to detect demigods, meaning that she's probably got more demigod deaths on her hands than any other villain.
* MamaBear: [[spoiler:A twisted variant. She loves her children dearly and will bring them back to life at any cost, even if it means working for Gaia and murdering people]].
* SmallRoleBigImpact: [[spoiler:She only appears in a short story in ''The Demigod Diaries'', but what she did before both ''Literature/PercyJacksonAndTheOlympians'' and ''Literature/TheHeroesOfOlympus'' even started -- namely, giving monsters the power to sense demigods and track them down by their scent -- is a big factor in the story]].
** She probably has more demigod deaths on her hands than any other character in the story.
%%WalkingSpoiler
* WouldHurtAChild: [[spoiler:Really, ''really'' wants to murder Alabaster]].
[[/folder]]
[[folder:Cacus]]
A fire breathing giant who stole Hermes's caduceus on Gaia's orders.
----
* BreathWeapon: He breathes fire, though if he gets wet he can't use it.
* ShaggyDogStory: He stole the caduceus in order to cut off communication between the gods and demigods. Just months later, Zeus/Jupiter orders communication cut himself.
[[/folder]]
[[folder:Venti]]
Chaotic storm spirits who serve as recurring enemies.
----
* AirborneMooks: Their basic role in the story.
* BlowYouAway: One of their main powers.
* {{Flight}}: They're made of wind, it would be harder for them to set foot on the ground than to fly.
* ShockAndAwe: Lighting is their primary offensive power.
* WeatherManipulation: Enough of them together can create powerful storms.
[[/folder]]
[[folder:Gegeines]]
The earthborn, multiarmed giants spawned from the soil.
----
* DishingOutDirt: Dirt they pick up compresses into stone, making for effective cannonballs.
* MultiarmedAndDangerous: They each have six arms.
[[/folder]]
[[folder:Karpoi]]
Grain spirits who wish to throw of the shackles of agriculture.
----
* EnfantTerrible: They look like small children made of grain.
* GettingCrapPastTheRadar: "Schist!"
[[/folder]]
[[folder:Basilisks]]
Deadly serpents spawned from the scalp of Polybotes.
----
* BreathWeapon: They can spit fire.
* ItCanThink: They're smart enough to execute basic tactics.
* PoisonousPerson: Plants wither just by being too close to them, while anything that directly touches them crumbles to ash.
* ScrewThisImOuttaHere: One of them flees after its companions are killed by a Spartoi.
* SnakesAreSinister: Cunning, deadly, and commonly used as immediate backup by a giant, they definitely qualify.
[[/folder]]
[[folder:Ghouls]]
Dangerous cannibalistic undead. A number of them are encountered in Ithaca, the suitors of Penelope returned.
----
* ImAHumanitarian: They indulge in human flesh for their meals.
* OurZombiesAreDifferent: Stronger, faster, and smarter than zombies.
[[/folder]]
[[folder:Ghosts]]
From ancient warriors and king with grudges against the gods to those who simply wish to escape the Underworld, there are many who would join Gaia's ranks.
----
* KryptoniteProofSuit: A number of them are encased in earthen shells, rendering them immune to Nico's [[StoryBreakerPower control over the undead]].
* OurGhostsAreDifferent: The closer to rising Gaia is the more corporeal they become.
[[/folder]]
[[folder:Gemini]]
The ''gemini'' (singular ''geminus''), were the original inhabitants of Athens. They chose Athena over Poseidon, and for thie rloyalty were eventually driven out of their city in favor of humans. Now they seek revenge, allying with Gaia to reclaim their ancient hope and achieve revenge on the gods who abandoned them.
----
* BerserkButton: They absolutely hate children of Hades. Not even being entranced by charmspeak would prevent them from attacking.
* HalfHumanHybrid: Human from the waist up, snake from the waist down.
* MeaningfulName: ''Gemini'' means doubled, a reference to their HalfHumanHybrid nature.
* PlotAllergy: They're lactose intolerant.
* SnakeCharmer: Singing or humming in charmspeak entrances them just like snakes.
[[/folder]]
[[folder:Cynocephali]]
A race of dog headed monsters. Octavian hires an army of them to aid in his attack on Camp Half-Blood, unaware of their true loyalties.
----
* BladeOnAStick: They wield poleaxes, a hybrid of spear and axe.
* GoodCOlorsEvilCOlors: They glow red.
* ScrewTheMoneyIHaveRules: Octavian may be their employer, but their loyalty is to Gaia.
[[/folder]]
!!Other
[[folder:The Ourae/Numina Montanum]]
Children of Gaia. They have been referred to as both gods and spirits at different occasions, while other sources declare them as primordial gods. They attack the ''Argo II'' when it flies by their mountains.
----
* AmbiguousDisorder: Hazel thinks that they look crazy.
* TheBrute: They're basically this for Gaia.
* DishingOutDirt: Shaping rocks into balls to through at the ''Argo II''.
* GiantMook: Many of them are faced and are over twenty feet tall.
* TheHermit: According to Hazel they look like crazy hermits.
* MusclesAreMeaningful: Extremely muscular and they throw boulders at a fling boat.
[[/folder]]
[[folder:Chrysaor]]
The Golden Warrior, son of Poseidon and Medusa. though he attempts to claim the bounty on the heroes he does not report to Gaia, so his tropes can be found [[Characters/TheCampHalfBloodSeriesOther here]].
[[/folder]]
[[folder:Pasiphaë]]
Wife of Minos and mother of the Minotaur. She declares herself a immortal sorceress, but it's unknown what kind of immortality she has or race she is in the mythological world.
----
* AmbiguouslyHuman: She might be speaking literally when talking about immortality or she might be referring to Gaia bringing her back from the dead.
* BrokenBird: Punished for her husband's crimes, and is bitter that Minos [[KarmaHoudini gets to be a judge of the Underworld]] despite how horrible of a human being he was.
* DisneyVillainDeath: [[spoiler:AndIMustScream If not something worse.]]
* InterspeciesRomance: She was cursed to fall in love with her husband's prize bull. The result was the Minotaur.
%%LadyOfBlackMagic
* NiceJobFixingItVillain: [[spoiler:Resurrecting the Labyrinth.]]
* SmallRoleBigImpact: Resurrects [[spoiler:Daedalus's Labyrinth]] in her twenty-odd page appearance, inadvertently providing the heroes with a way to [[spoiler:get the Arthena Parthenos back to Camp Half-Blood.]]
[[/folder]]
[[foldercontrol]]
[[folder:Gaia/Terra]]
The goddess of the Earth and progenitor of the Titans and, by extension, the Olympians. BigBad of the ''Heroes of Olympus'' series.
----
* AffablyEvil: She maintains a calm and polite air at all times, even when taunting heroes and all but outright saying she wants them dead.
* BigBad: Of the series.
* TheChessmaster: Seems to have planned out or predicted an awful lot of characters' choices prior to the beginning of the story.
* DishingOutDirt: She is the Earth. Like in the original mythology, she does not have nature-based powers (this was the domain of Pan).
* TheDreaded: Everybody's scared of her. She is, after all, ''the earth''.
* EldritchAbomination: Seeing as her body is ''the entire planet''.
* TheEndOfTheWorldAsWeKnowIt: The entire plot is about preventing Gaia from waking up, since this trope is what's going to happen if she does. And she can't be defeated, because her body is the planet Earth itself.
* EvilMatriarch: The mother of all the gods and monsters except for the [[EldritchAbomination most primordial]] of them.
* {{Foil}}:
** To Juno. Both are matriarchs who are generally disliked, but Juno wants to save the world while Gaia wants to destroy it.
** To Kronos, the previous BigBad -- she takes a more direct approach to manipulating the main players of the prophecy.
* GaiasVengeance: Although she's not directly taking it out on mortals, just the mythological creatures.
* LogicalWeakness: Because she ''is'' the all-powerful Earth Mother, [[spoiler: she's near-powerless when in the air]].
* TheManBehindTheMan: In the first book, behind her son Porphyrion.
* ManipulativeBastard: Definitely more keen on this tactic then Kronos was. Following the theme of family ties, she emotionally manipulates near everyone using loved ones (Piper, Percy, Leo, Hazel, even some gods). Frank is supposedly an exception, thanks to his convoluted legacy.
* NonActionBigBad: Because she's asleep, she pulls strings to get what she wants rather than directly doing things herself.
* ParentalFavoritism: Very blatantly favored the giants over the Titans.
* SignificantBirthdate: Invoked. She chooses August 1, the Feast of the Goddess of Hope, to begin the second Gigantomachy.
[[/folder]]
!!Gigantes (The Giants)
[[folder:Porphyrion]]
The most powerful of the giants and their king. Deigned to be a direct counter to Zeus including power.
----
* ArchEnemy: To Zeus.
* AuthorityEqualsAsskicking: When at full strength.
* BladeOnAStick: His main weapon
* CurbStompBattle: In the last book, [[spoiler: He is on the receiving end of one at the hands of Zeus and Jason. Zeus nearly kills him with his Master bolt before Jason blows him off a cliff and Zeus uses another lighting blast to reduce him from ash. His own spear is sliced in half and he fails to mount any sort of defense or offense.]]
* TheDragon: To Gaia.
* HairDecorations: Like most Giants. His "decorations" of choice are weapons (implied to be those of past enemies).
* LargeAndInCharge: Described as the tallest of the giants and the most built physically.
* OrcusOnHisThrone: Is resurrected in the first book only to do nothing over the next four while the heroes steadily advance toward him. Any actual planning or action is taken by Gaia.
[[/folder]]
[[folder:Polybotes]]
Counterpart to Poseidon.
----
* ArchEnemy: To Poseidon.
* TheBrute: Powerful for sure, but clearly not the most cunning of the giants.
* CurbStompBattle: In the last book, [[spoiler: Both gives and receives one. He fights Percy in the water and his poison instantly takes Percy out, but is on the receiving end of one from Jason and Kymopoleia. And he only won the Percy battle because Percy intentionally swam into the poison because he felt he deserved to be punished for prior actions.]]
* HairDecorations: He has ''live basilisks'' slithering in his hair.
* InformedAbility: Supposed to be the anti-Poseidon, and his mere presence left Percy in a shivering pile the first time he saw the giant. Percy proceeded to open up a can of [[CurbStompBattle whoopass]] on him when they encountered one another during the last battle, and Polybotes became the first giant to lose against a demigod in single combat (okay ''technically'' a god was there). Some anti-Poseidon.
* PaperTiger: All of the giants vastly over-exaggerate themselves one way or the other, but Polybotes is the worst. Despite his frighting appearance and and status as the anti-Poseidon he is stymied by minor goddesses defeated relatively easily in single-combat with demigods. Especially hilarious in the second time it was underwater, which should have been his domain, against a child of the sky.
* PoisonousPerson: His very touch turns water to poison.
* ProngsOfPoseidon: Simultaneously of the sea, gladiator, and evil varieties.
[[/folder]]
[[folder:Alcyoneus]]
Counterpart to Pluto and the eldest of the Giants.
----
* ArchEnemy: To Hades. Also to Hazel, seeing as she was the one who resurrected him.
* GemTissue: Is covered in various precious jews and metals, in fact his very own heart is a made of diamonds.
* TheDragon: To Gaia, spanning the time period from the forties to Porphyrion's rise.
* TheHeavy: Of ''The Son of Neptune''.
* MadeOfIndestructium: Except if he's out of his homeland Alaska.
* TooDumbToLive: As pointed out by Frank -- when you're unkillable as long as you stay in the boundaries of the state of Alaska, you really shouldn't hang out in the part of the state that's only 10 miles wide.
--> '''Frank:''' "Welcome to Canada, idiot."
[[/folder]]
[[folder:Enceladus]]
Counterpart to Athena.
----
* ArchEnemy: To Athena.
* BerserkButton: After their first encounter, Leo becomes one to him.
* BreathWeapon: Possesses fiery breath.
%%DisneyVillainDeath
* EvilGenius: The most intelligent of the giants and the tactician among them, but given how stupid some of his fellow giants are this isn't saying much.
* FlunkyBoss: He's aided in his fight against Jason, Piper, and Leo by several Earthborn.
* HairDecorations: He has bones braided into his hair.
* IHaveYourWife: Takes Tristan [=McLean=] hostage to force Piper's allegiance.
[[/folder]]
[[folder:Otis & Ephialtes]]
Counterparts to Dionysus.
----
* BerserkButton: Exploited by Percy during his fight with Otis. Insulting ballet enrages him so that he makes stupid mistakes.
* ButtMonkey: Poor Otis owns this trope.
* TheDarkChick: The smallest and least threatening of the Giants seen thus far.
* FanDisservice: Otis' form-fitting tutu.
* HairDecorations: Gold and silver coins, and, at one point, [[TemptingFate fireworks]].
* IdenticalTwinIDTag: Ephialtes has purple hair; Otis's is green.
* {{Jerkass}}: Ephialtes.
* RealMenWearPink: Otis is fond of ballet and wears a tutu during the fight with Percy and Jason. Everybody else, Ephialtes included, finds this revolting.
* SensitiveGuyAndManlyMan: With Otis as the sensitive one and Ephialtes as the Manly Man.
* ThoseTwoBadGuys: Always seen together and are characterized by their interactions with one another.
[[/folder]]
[[folder:Clytius]]
Counterpart to Hecate. Incinerated by Hecate. With the liberation of the Doors of Death from Gaia's control, he is currently the only destroyed member of the Giants.
----
* AntiMagic: His Shroud of Darkness neutralizes the mist.
* ArchEnemy: To Hecate.
* BlackCloak: One made out of smoke because, you know, EvilWearsBlack.
* EnergyAbsorption: Since his ArchEnemy is the goddess of magic, Clytius was designed to absorb all her magic attacks.
* EvilSoundsDeep: Described as sounding like a bass guitar.
* HairDecorations: An [[AvertedTrope aversion]] among giants; he has no special decorations. The only unusual thing is that the braids appear to be made of smoke.
* KillItWithFire: The one way to defeat him is with magical fire.
* PeoplePuppets: [[spoiler: Controls Annabeth, Percy and Leo (and even corpses in the tombs of the Necromanteion) and uses their mouths to speak for him.]]
* SuperSmoke: Controls smoke that absorbs all Mist and magic. [[spoiler: It also is used to steal people's voices and drain their life force.]]
* TheQuietOne: Out of all the Giants, Clytius rarely speaks.
* VoiceForTheVoiceless: [[spoiler: Doesn't use his own mouth, rather he steals people's vocal cords and communicates using their mouths.]]
[[/folder]]
[[folder:Orion]]
Counterpart to Artemis and Apollo.
----
* AdaptationalVillainy: In the original mythology, Orion, while sometimes depicted as a giant, did not participate in the Gigantomachy.
* EgomaniacHunter: A curse by Apollo turned him into one in ancient times and upon his return from Tartarus he has become one to women.
* FaceHeelTurn: Originally sided with the gods against the giants and fell in love with his target. [[TraumaCongaLine After that brought him nothing but pain and misery]], he decided to go back to the giants.
* HeManWomanHater: Originally loved Artemis, but being rejected by her, cursed by Apollo, and sent down to Tartarus caused him to make an about face and hunt any "strong" women with a focus on Artemis' Hunters and the Amazons.
* HuntingTheMostDangerousGame: Strong women, specifically.
* StrawMisogynist: Is he ever. He despises strong women, and wooed Artemis partly so he could "tame" her. To be fair, it's implied he was nowhere ''near'' as bad in the past and it was [[TraumaCongaLine Apollo cursing him for chasing after Artemis and eventually sending him to Tartarus]] that made him really hate women.
* TraumaCongaLine: What caused him to join his fellow giants despite originally siding with the gods. First he was blinded for flirting (well, that's all ''he'' claims it was) with a mortal princess, given new eyes, joined the Hunters of Artemis (the only male) only to fall in love with Artemis and be rejected, cursed by Apollo who feared Artemis might grow weak in her vows of maidenhood, cursed to hunt down every beast of the earth till [[MotherNature his own mother, Gaia]] had to send a giant scorpion to kill him, and finally sent down to Tartarus.
* YouCantFightFate: Tried to fight his destiny and fell in love with the goddess he was supposed to destroy. Being rejected, cursed, and finally cast down into Tartarus for his troubles caused him to accept his fate and fight the gods.
[[/folder]]
[[folder:Mimas]]
Giant counterpart to Hephaestus. Resides in the Temple of Fear.
----
* DropTheHammer: Carries a giant sledgehammer.
* WalkingTechbane: Specifically invoked, as he was made to counter the god of technology. Around him, "maps are misread, devices break, data is lost, and the finest minds turn to mush" (which is why Annabeth has such a hard time with him).
[[/folder]]
[[folder:Periboia]]
Porphyrion's daughter and princess of the Giants. Counterpart to Aphrodite.
----
* TheSmurfettePrinciple: The only female Giant we see, and also the only one not explicitly a child of Gaia.
[[/folder]]
[[folder:Thoon]]
The counterpart of The Fates.
----
* EvilSoundsDeep: His voice is deep enough to shake the ground.
* KnifeKnut: His weapon is a giant meat cleaver
[[/folder]]
[[folder:Hippolytus]]
The counterpart of Hermes.
[[/folder]]
!!Revived Mortals
[[folder:Midas]]
The legendary king with the golden touch. Didn't learn his lesson after all.
----
* AffablyEvil: Midas acts friendly to his guests while trying to turn them into gold.
* ArsonMurderAndJaywalking: Midas forces demigods that find him to choose between being turned to gold or being murdered by his son, he works for Gaia, and runs a gold selling scam.
* FrickinLaserBeams: Not himself, but he bought a few to protect the airspace over his home.
* {{Jerkass}}: Unlike the story he never learned his lesson and gave up his power.
%%MadHatter: Midas.
* TakenForGranite: Midas's power is to turn anything he touches to gold. People are part of everything.
[[/folder]]
[[folder:Lityerses]]
Midas's son.
----
* BloodKnight: Enjoys swordfighting.
* GoodScarsEvilScars: Covered in scars from his swordfights.
%%HotBlooded: Lit.
* InSeriesNickname: He usually goes by "Lit" now.
[[/folder]]
[[folder:Medea]]
Princess of Colchis, department store manager.
----
* CompellingVoice: She has the power of charmspeaking.
* WomanScorned: So crazy she tries to kill Jason for having the name Jason.
* {{Yandere}}: Ur-Example.
[[/folder]]
[[folder:Phineas]]
A blind man with the gift of prophecy brought back to life by Gaia. He gets killed by poison in a bet between him and Percy when Gaia decides to spare Percy rather than him.
----
* AnimalNemesis: He hates harpies.
* BigEater: He's making up for lost time.
* BlindSeer: The mythological Phineas is one of the oldest examples out there.
* YouHaveOutlivedYourUsefulness: He still had some, just not as much as Percy.
[[/folder]]
[[folder:Otrera]]
The first queen of the Amazons. She was sent to claim the throne from her modern successor through combat and lead the Amazons in service of Gaia.
----
* ActionGirl: Part of being an Amazon.
* DeathIsCheap: After she's killed she comes back again the next day.
* ExactWord: She uses this against the Amazons. Their code allows a challenger to fight the current queen to the death for the throne, but says nothing about what to do if the defeated challenger rises from the dead and repeats the challenge.
[[/folder]]
[[folder:Sciron]]
Son of Poseidon and bandit extraordinaire.
----
* TheBeastmaster: He has a giant pet turtle.
* DualWielding: Magical pistols that reload themselves.
* ExactWords: He won't shoot you, he'll just kick you off the cliff to his turtle pal.
* FearsomeFoot: Tells Hazel and Jason that they have to clean his feet to let him go. Neither of them are happy about it, because his feet are absolutely disgusting, but also because as soon as you bend down, he kicks you right off the cliff.
* ImprobableAimingSkills: Up to Eleven. He takes pride in this.
[[/folder]]
!!Gods
[[folder:Khione]]
Boreas's daughter, the goddess of snow.
----
* TheBusCameBack: She and her brothers make a reappearance in the fourth book.
* BerserkButton: Never mention GlobalWarming around her.
* BitchInSheepsClothing: She acts nice, and then her true personality is revealed...
* TheDogWasTheMastermind: [[spoiler: Gaia's agent among the Wind Gods.]]
* TheDragon: Seems to be Boreas' main second-in-command and is much more competent than Zetes and Calais.
%% DragonWithAnAgenda
%%FauxAffablyEvil
* AnIcePerson: Displays the greatest prowess in this among the North Winds.
%%IceQueen
* ManipulativeBitch: Oh, so very much. By the fourth book, she's successfully played Zeus, Hera, and Aeolus for chumps, and [[spoiler: convinced Boreas and her brothers to serve Gaia.]]
* TheMole: [[spoiler:For Gaia among the wind gods.]]
* SpannerInTheWorks: [[spoiler:Thanks to her and her brothers' interference, the ''Argo II'' is blown into North Africa and Leo is stranded in Ogygia. Eventually this is all rectified, but the crew loses a lot of time.]]
* TheStarscream: To her father.
* UnderestimatingBadassery: [[spoiler:Shouldn't've dismissed Piper so easily, huh?]]
* WinterRoyalLady: The goddess of snow.
* WomanInWhite: Wears a white silk gown.
[[/folder]]
[[folder:Aeolous]]
Lord of the winds. Normally a servant of Olympus, he does bow to Gaia on the rare occasion she makes a direct demand. For related tropes, see [[Characters/TheCampHalfBloodSeriesMinorGods here]].
[[/folder]]
[[folder:Keto]]
Goddess of sea monsters who seeks to collect the bounty on the heroes after they escape Phorcys's aquarium plan. For related tropes, see [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Tartarus]]
''The'' Tartarus, a manifestation of the darkest part of the Underworld.
----
* ArchnemesisDad: To Damasen.
* BigBadDuumvirate: Implied by his dialogue, and a logical conclusion given that he fathered the Giants with Gaia and is by far the most powerful of her affiliates.
* TheBlank: A variation. He doesn't have a face, but he doesn't have a blank patch of skin either. What he does have is a nightmarish combination of whirlpool and black hole.
* BodyHorror: [[EldritchLocation The entirety of Tartarus is his]] ''[[EldritchLocation body]]''. This is given nods throughout the book as Percy and Annabeth joke about how they're traversing across different parts of his anatomy.
* DarkIsEvil: Oh, you had better believe it!
* DisproportionateRetribution: Destroys [[spoiler:Krios and Hyperion]] for the former describing him in an unflattering manner.
* TheDreaded: For very good reason. It takes [[spoiler:a YouShallNotPass by Bob and Damasen to slow him down long enough for Percy and Annabeth to escape. What, exactly, do you think happened to them afterwards?]]
* EldritchAbomination: The realm of Tartarus is his body, and when he [[HumanoidAbomination assumes a form to deal with them personally]] Percy and Annabeth have a hard time looking directly at him.
* EldritchLocation: Tartarus the location is his body, with all that implies. The ground is flesh, rivers of horrific properties flow across and under the land, the air is poison, and monsters crawl from the living soil. Even ''that'' horrific place is just AFormYouAreComfortableWith, with many successive layers existing simultaneously in the same space, so mind-numbingly horrible that even before you get to the true destroy-you-if-you-look-at-it form you'll be driven mad. On top of that, this entire place is floating in an endless black void that's somehow ''worse''.
* FightingAShadow: The manifestation at the end of the book is simply a form he assumed to deal with the Heroes. His true form ''is'' the locale of Tartarus.
* GeniusLoci: Tartarus' body is pretty much the Greek version of Hell.
* KickTheDog: We probably weren't supposed to feel bad for [[spoiler:Hyperion and Krios]], but his reason for doing what he did to them just makes it callous.
* KnightOfCerebus: Twofold. [[spoiler:Percy and Annabeth]]'s trek across Tartarus (technically his body) is easily one of the darkest parts of the book, and things naturally get worse when he shows up in person.
* MightyGlacier: Is slow but immensely powerful, due to never having taken on a humanoid form before.
* MonsterProgenitor: Fathered Typhon, Kampê, and the giants with Gaia
* OffingTheOffspring: Presumably did this to [[spoiler: Damasen and Bob.]]
* OrcusOnHisThrone: He fathers monsters with Gaia and serves as a respawn point for all monsters, but he doesn't really get involved himself. At the current point in time, he's only formed a corporeal form once
* RealityEnsues: He assumes an incredibly powerful humanoid form to crush Percy and Annabeth...and is barely able to walk, since he's a GeniusLoci and has never done it before.
* UnskilledButStrong: Thankfully, for all his power, he's clearly unused to combat in a corporeal form, a weakness the heroes are able to exploit. Justified, though, as he'd never summoned a physical manifestation of himself before this point, and was essentially taking his baby steps.
* WombLevel: The realm of Tartatus is his body.
[[/folder]]
[[folder:Kymopoleia]]
Goddess of sea storms. For related tropes, see [[Characters/TheCampHalfBloodSeriesMinorGods here]].
[[/folder]]
!!Titans
[[folder:Koios]]
The titan of the North, foresight and knowledge.
----
* BearsAreBadNews: He wears a bear shaped helmet.
* {{BFS}}: As a titan he has a sword to match his size.
* CreepyBlueEyes: He has cold blue eyes.
* EvenEvilHasLovedOnes: He's genuinely sad that Kronos is near permanently dissipated and greets Iapetus with joy when he thinks he's thrown off the Lethe's effects.
* AnIcePerson: As the titan of the North he wields power over cold.
* TheStarscream: He plans to let the giants serve as shock troops, clearing the way for the titans to reclaim their kingdom.
* TheUnfought: He's never fought in any series, and may have never even been fought offscreen.
* VillainOfAnotherStory: He was part of Kronos's second war, though his role in it is unknown. He was either slain at some point in the war or never made it out of Tartarus.
[[/folder]]
[[folder:Krios]]
Titan of the South and constellations. First a part of Kronos's army, he attempts to return to the living world as part of Gaia's war. His tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Hyperion]]
Titan of the East and sun. First a part of Kronos's army, he attempts to return to the living world as part of Gaia's war. His tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
!!Monsters
[[folder:Lycaon]]
The first werewolf.
----
* BackForTheFinale: Reappears in the last book as a servant of Orion, out to get Reyna and Nico.
* OurWerewolvesAreDifferent: Can turn into a full wolf, among other things, and shares the infamous weakness to silver — he is hurt by the silver arrows of the Hunters. Argentum (who is made of silver) can harm his wolves, but Aurum (gold) cannot.
* WolfMan: The very first.
[[/folder]]
[[folder:Euryale and Stheno]]
Mesdusa's elder sisters sisters and fellow gorgons. First seen hunting Percy, they later join up with Polybotes's army to attack New Rome.
----
* AlienBlood: Deadly poison from the left side, healing liquid from the right.
* BattleTrophy: When killed they leave behind a vial of blood from each side of their body, both completely identical.
* BerserkButton: Euryale isn't happy when people assume they can turn people to stone like their younger sister.
* EvilChef: Stheno has shades of this trying to get Percy to eat some poisoned Crispy Cheese 'n' Wieners.
* EvilRedhead: Sort of. The snakes that make up Euryale's hair are [[https://en.wikipedia.org/wiki/Coral_snake Coral Snakes]].
* FangsAreEvil: They've got them, plus several extra snake's worth.
* {{Flight}}: Both have functional bronze wings.
* {{Medusa}}: Not that they're very happy for their little sister to be the most well known example.
* {{Sadist}}: Euryale has shades of this.
* WolverineClaws: They have razor sharp talons.
[[/folder]]
[[folder:Ma Gasket]]
A hypoborean cyclops who lives in Detroit.
----
* AbusiveParents: She is abusive to her sons but doesn't think it's wrong, yet considers herself to be a bad mother because she didn't abandon her children.
* ChainMailBikini: Averted, she wears a chainmail muumuu.
* HeroKiller: She's killed Camp Jupiter soldiers before.
* ImAHumanitarian: Like most cyclopses.
* TheBusCameBack: She returns in ''Son of Neptune'' leading a contingent of cyclopses under Polybotes.
[[/folder]]
[[folder:Sump and Torque]]
The cyclops children of Ma Gasket.
----
* DumbMuscle: Strong but not too bright.
* ThemeNaming: They're both named after engine terms.
* VilalinousCrush: Sump develops one on Piper.
[[/folder]]
[[folder:Michael Varus]]
Son of Janus and a former praetor of New Rome who infamously lost the legion's standard in Alaska.
----
* AmbitionIsEvil: Described as being ambitious and prideful. He led the legion to Rome in a quest for glory, which resulted in a massacre.
* BackForTheFinale: He escapes the battle in Alaska and reappears in ''Blood of Olympus''.
* FateWorseThanDeath: After he's killed again he's sentenced to the Fields of Punishment for his treachery against the gods.
* InTheBack: He stabs Jason from behind in Ithaca.
* MeaningfulName: "Varus" means "crooked" in Latin, although the name most likely is a reference to the historic Publius Quinctilius Varus, who is most well known for losing three legions when ambushed.
* NearVillainVictory: Jason nearly dies from the wound he inflicted.
* TrueSight: As a son of Janus he can see through magical disguises.
* OurGhostsAreDifferent: Gaia only brings him back as a phantom, with a promise of full life should he succeed in his service.
* WeCanRuleTogether: He offers Jason a chance to join Gaia in Ithaca.
[[/folder]]
[[folder:Eidolons]]
Malevolent spirits with the ability to possess mortals, demigods, monsters, and machines.
----
* AndIMustScream: The three we see in ''The Mark of Athena'' [[spoiler: end up forever fused to the remains of several completely trashed Automatons. Yeah, payback's a...]]
* DemonicPossession: ''Duh.''
* ExactWords: They promised not to possess anyone on the Argo II. They didn't say anything about not attacking the crew with other host bodies.
* IntangibleMan: When not in a body.
%%{{Jerkass}}
* SupernaturalGoldEyes: The telltale sign of eidolon possession.
[[/folder]]
[[folder:Kelli]]
An empousa who first served in Kronos's army, she seeks to return to the world of the living and inflict her revenge. Her tropes can be found [[Characters/TheCampHalfBloodSeriesForcesOfKronos here]].
[[/folder]]
[[folder:Arachne]]
[[quoteright:321:http://static.tvtropes.org/pmwiki/pub/images/arachne.png]]
-->''“I excel at pulling strings! I’m a spider!”''
Athena's most famous rival and the mother of all spiders. Guards the Athena Parthenos against all of her children who try to claim it.
----
* AllWebbedUp: As a giant spider, this is part of her powers.
* ArchEnemy: She ''hates'' Athena.
* BackForTheDead: [[spoiler: She shows up in person for literally about half a second in ''The House of Hades'', trying to kill Annabeth, only to get killed by Percy.]]
* BodyHorror: Her entire lower half is that of a black widow spider. [[ArchEnemy She's very bitter about that]].
* EnigmaticMinion: Shown to be complicit with Ephialtes and Otis, but the extent of her servitude to Gaia is never really explored. At any rate, she seems much more caught up in her own agenda.
* FatalFlaw: Like Annabeth, hers is {{Pride}}.
%%FauxAffablyEvil
* FinalBoss: Of ''The Mark of Athena''.
* {{Pride}}: Her defining character trait.
[[/folder]]
[[folder:Antinous]]
A suitor of Penelope in life, he returned as a ghoul rather than a living being.
----
* DishingOutDirt: Part of being favored by Gaia. Dirt holds his rotting body together and he can use it to infect and destroy ghosts.
* TheHedonist: Just as he was in life.
* ImpaledWithExtremePrejudice: He's killed again when Jason runs him through.
* WoundThatWouldNotHeal: He still has Odysseus's arrow sticking out of his neck and none of his other wounds ever close.
* ThoseTwoBadGuys: He has this dynamic with Eurymachus.
* WeCanRuleTogether: He offers Jason a chance to join Gaia's ranks.
[[/folder]]
[[folder:Eurymachus]]
A suitor of Penelope in life, he returned as a phantom in search of revenge.
----
* BaldOfEvil: He has no hair.
* TheHedonist: As much as a ghost can be.
* WoundThatWouldNotHeal: As a ghost, he's forever trapped to appear as he was when he died.
* ThoseTwoBadGuys: He briefly has this dynamic with Antonious.
[[/folder]]
[[folder:Beryl Grace]]
Mother of Thalia and Jason Grace, Gaia returns her to life as a mania. Her tropes can be found [[Characters/TheCampHalfBloodSeriesMortals here]].
[[/folder]]
[[folder:Python]]
An ancient earth dragon fought by Apollo. During Gaia's war he returns and blocks Apollo's access to prophecy, but chooses to stay out of the war and bide his time for a better opportunity. His tropes can be found [[Characters/TheCampHalfBloodSeriesTriumvirateHoldings here]].
[[/folder]]
[[folder:King Kekrops]]
The first and eternal king of Athens, this ''geminus'' seeks revenge for being cast out of the city in favor of humans.
----
* FalseFriend: He first appears claiming to be an ally, but it takes Piper less than a chapter to figure out he's lying.
* HalfHumanHybrid: He's a snake from the waist down, like all ''gemini''.
* InTheBack: Frank shoots him as he tries to flee.
* ScrewThisImOuttaHere: When his army of ''gemini'' is cut off, leaving only himself and a handful of warriors, he chooses to flee.
* WalkingShirtlessScene: He wears a cape and nothing else.
[[/folder]]
[[folder:Lamia]]
A peppy old woman who booked Claymore's event in Keeseville, New York. She's mostly an annoyance to Claymore. Only shows up in ''The Demigod Diaries''. [[spoiler:She turns out to be a monster in disguise and the half-sister of Alabaster through Hecate. She's been tracking Alabaster with the intent of murdering him on Gaia's orders, forcing him to move from town to town and constantly keep up magic barriers to hold her off. Thanks to being brought back from Tartarus by Gaia, she can't die, making it difficult for Alabaster to get rid of her for good]].
----
* AndIMustScream: As of the end of ''Son of Magic'', Alabaster knows a spell that will keep her essence from departing to Tartarus, meaning that if he destroys her she will be stuck as a sentient pile of dust for all eternity. Hecate thinks the threat of this should be enough to keep her at bay.
%%AxCrazy
* BitchInSheepsClothing: Hinted at later on, when after acting like an enthusiastic and sweet, if rather irritating, grandmotherly old lady to Claymore, she calls him to demand he hand over the card about Alabaster's address to her for no discerned reason. [[spoiler:Comes to fruition when she shows her true nature as a monster who works for Gaia]].
* CainAndAbel: [[spoiler:The Cain to Alabaster's Abel]].
%%DarkActionGirl
* DisproportionateRetribution: Yes, Hera killing her children was wrong, but crafting a magic to let monsters find demigods everywhere, and then keeping it running, racking up demigod casualties, for ''three thousand plus years'', is way overreacting.
* EvenEvilHasLovedOnes: [[spoiler:She wants to bring back her children, which Gaia promised to do for her. For her, if killing Alabaster means having them back, then so be it]].
* FreudianExcuse: [[spoiler:In the past, when she was a Libyan queen, she was courted by Zeus and had two children she loved. When Hera found out about her relationship with Zeus, she murdered Lamia's children, and in front of her, no less. Needless to say, Lamia didn't take it well]].
* GenkiGirl: An elderly version, but she's quite enthusiastic and full of praise for Claymore after he's finished with the event. [[spoiler:Subverted, however, when she's revealed to be a monster]].
* GreaterScopeVillain: She's the one who granted monsters the power to detect demigods, meaning that she's probably got more demigod deaths on her hands than any other villain.
* MamaBear: [[spoiler:A twisted variant. She loves her children dearly and will bring them back to life at any cost, even if it means working for Gaia and murdering people]].
* SmallRoleBigImpact: [[spoiler:She only appears in a short story in ''The Demigod Diaries'', but what she did before both ''Literature/PercyJacksonAndTheOlympians'' and ''Literature/TheHeroesOfOlympus'' even started -- namely, giving monsters the power to sense demigods and track them down by their scent -- is a big factor in the story]].
** She probably has more demigod deaths on her hands than any other character in the story.
%%WalkingSpoiler
* WouldHurtAChild: [[spoiler:Really, ''really'' wants to murder Alabaster]].
[[/folder]]
[[folder:Cacus]]
A fire breathing giant who stole Hermes's caduceus on Gaia's orders.
----
* BreathWeapon: He breathes fire, though if he gets wet he can't use it.
* ShaggyDogStory: He stole the caduceus in order to cut off communication between the gods and demigods. Just months later, Zeus/Jupiter orders communication cut himself.
[[/folder]]
[[folder:Venti]]
Chaotic storm spirits who serve as recurring enemies.
----
* AirborneMooks: Their basic role in the story.
* BlowYouAway: One of their main powers.
* {{Flight}}: They're made of wind, it would be harder for them to set foot on the ground than to fly.
* ShockAndAwe: Lighting is their primary offensive power.
* WeatherManipulation: Enough of them together can create powerful storms.
[[/folder]]
[[folder:Gegeines]]
The earthborn, multiarmed giants spawned from the soil.
----
* DishingOutDirt: Dirt they pick up compresses into stone, making for effective cannonballs.
* MultiarmedAndDangerous: They each have six arms.
[[/folder]]
[[folder:Karpoi]]
Grain spirits who wish to throw of the shackles of agriculture.
----
* EnfantTerrible: They look like small children made of grain.
* GettingCrapPastTheRadar: "Schist!"
[[/folder]]
[[folder:Basilisks]]
Deadly serpents spawned from the scalp of Polybotes.
----
* BreathWeapon: They can spit fire.
* ItCanThink: They're smart enough to execute basic tactics.
* PoisonousPerson: Plants wither just by being too close to them, while anything that directly touches them crumbles to ash.
* ScrewThisImOuttaHere: One of them flees after its companions are killed by a Spartoi.
* SnakesAreSinister: Cunning, deadly, and commonly used as immediate backup by a giant, they definitely qualify.
[[/folder]]
[[folder:Ghouls]]
Dangerous cannibalistic undead. A number of them are encountered in Ithaca, the suitors of Penelope returned.
----
* ImAHumanitarian: They indulge in human flesh for their meals.
* OurZombiesAreDifferent: Stronger, faster, and smarter than zombies.
[[/folder]]
[[folder:Ghosts]]
From ancient warriors and king with grudges against the gods to those who simply wish to escape the Underworld, there are many who would join Gaia's ranks.
----
* KryptoniteProofSuit: A number of them are encased in earthen shells, rendering them immune to Nico's [[StoryBreakerPower control over the undead]].
* OurGhostsAreDifferent: The closer to rising Gaia is the more corporeal they become.
[[/folder]]
[[folder:Gemini]]
The ''gemini'' (singular ''geminus''), were the original inhabitants of Athens. They chose Athena over Poseidon, and for thie rloyalty were eventually driven out of their city in favor of humans. Now they seek revenge, allying with Gaia to reclaim their ancient hope and achieve revenge on the gods who abandoned them.
----
* BerserkButton: They absolutely hate children of Hades. Not even being entranced by charmspeak would prevent them from attacking.
* HalfHumanHybrid: Human from the waist up, snake from the waist down.
* MeaningfulName: ''Gemini'' means doubled, a reference to their HalfHumanHybrid nature.
* PlotAllergy: They're lactose intolerant.
* SnakeCharmer: Singing or humming in charmspeak entrances them just like snakes.
[[/folder]]
[[folder:Cynocephali]]
A race of dog headed monsters. Octavian hires an army of them to aid in his attack on Camp Half-Blood, unaware of their true loyalties.
----
* BladeOnAStick: They wield poleaxes, a hybrid of spear and axe.
* GoodCOlorsEvilCOlors: They glow red.
* ScrewTheMoneyIHaveRules: Octavian may be their employer, but their loyalty is to Gaia.
[[/folder]]
!!Other
[[folder:The Ourae/Numina Montanum]]
Children of Gaia. They have been referred to as both gods and spirits at different occasions, while other sources declare them as primordial gods. They attack the ''Argo II'' when it flies by their mountains.
----
* AmbiguousDisorder: Hazel thinks that they look crazy.
* TheBrute: They're basically this for Gaia.
* DishingOutDirt: Shaping rocks into balls to through at the ''Argo II''.
* GiantMook: Many of them are faced and are over twenty feet tall.
* TheHermit: According to Hazel they look like crazy hermits.
* MusclesAreMeaningful: Extremely muscular and they throw boulders at a fling boat.
[[/folder]]
[[folder:Chrysaor]]
The Golden Warrior, son of Poseidon and Medusa. though he attempts to claim the bounty on the heroes he does not report to Gaia, so his tropes can be found [[Characters/TheCampHalfBloodSeriesOther here]].
[[/folder]]
[[folder:Pasiphaë]]
Wife of Minos and mother of the Minotaur. She declares herself a immortal sorceress, but it's unknown what kind of immortality she has or race she is in the mythological world.
----
* AmbiguouslyHuman: She might be speaking literally when talking about immortality or she might be referring to Gaia bringing her back from the dead.
* BrokenBird: Punished for her husband's crimes, and is bitter that Minos [[KarmaHoudini gets to be a judge of the Underworld]] despite how horrible of a human being he was.
* DisneyVillainDeath: [[spoiler:AndIMustScream If not something worse.]]
* InterspeciesRomance: She was cursed to fall in love with her husband's prize bull. The result was the Minotaur.
%%LadyOfBlackMagic
* NiceJobFixingItVillain: [[spoiler:Resurrecting the Labyrinth.]]
* SmallRoleBigImpact: Resurrects [[spoiler:Daedalus's Labyrinth]] in her twenty-odd page appearance, inadvertently providing the heroes with a way to [[spoiler:get the Arthena Parthenos back to Camp Half-Blood.]]
[[/folder]]
