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Characters / The Camp Half-Blood Series Nature Spirits

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The various nature spirits seen in The Camp Half-Blood Series (Percy Jackson and the Olympians, The Heroes of Olympus and The Trials of Apollo). For the full list of characters, click here.

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Beings with the upper body of a man and the lower body of a goat. They often seem to be clumsy due to wearing fake feet when in the presence of mortals. Their personalities vary mostly depending on if they're greek (satry) or roman (faun).
  • Bizarre Sexual Dimorphism: Satyrs/Fauns are essentially humans with goat traits and are all male. Their female number are nymphs of any kind, who are embodiments of natural features in the form of attractive women with their most distinguishing trait being an inhuman skin palette depending on the kind of nymph they are.
  • Detect Evil: Jossed they can smell demigods and monsters, not all of which are evil.
  • Disability Superpower: Not really but they are often presented as this, using crutches and other such instruments when among muggles to disguise his goat-legged gait.
  • Green Thumb: They can make plants grow with music.
  • Herald: Many satrys end up becoming this when they go get a demigod, revealing the magical world.
  • Long-Lived: Satyrs have double the lifespan of humans and demigods. Grover, who is in his thirties, is considered a teenager among satyrs.
  • Magic Music: Many use music to make plants grow.
  • Reincarnation: When killed they become plants.
  • Why Did It Have to Be Snakes?: It seems that satyrs and nymphs have a natural fear of dogs. Juniper runs away from Mrs. O'Leary the hellhound, and Gleeson Hedge, for some reason, has nightmares about 101 Dalmatians.

Council of Cloven Elders

    Grover Underwood 

Played by: Brandon T. Jackson

A satyr and Percy's best friend, Grover is the Searcher sent to Yancy Academy to keep an eye on Percy. He leads Percy to Camp Half-Blood and joins him on each book's quest (except the second, where the object is to rescue him). His dream is to find the lost god of the wild, Pan.

  • Adaptational Badass: In the films. He's adept at Cane Fu and personally defeats the Hydra with Medusa's head.
  • Beta Couple: With Juniper. They get together with little pomp and circumstance compared to Percy and Annabeth, who are constantly bickering.
  • The Bus Came Back: In The Burning Maze, he becomes the guide for Apollo and Meg, after showing up only in passing in The Heroes of Olympus.
  • But Now I Must Go: After the Burning Maze case is done with, he decides to part ways with Apollo and Meg so he can return to Camp Half-Blood.
  • Butt-Monkey: Mostly in The Lightning Thief, though he still has moments later on in the series. He simply can't seem to catch a break.
  • Cane Fu: Quite adept at using his crutches as blunt weapons in the films, as Gabe and some guards at the Lotus Casino find out the hard way.
  • Cowardly Lion: He's relatively small for his size, easily frightened, constantly complains about going into dangerous situations, but will literally go to hell and back for his friends.
  • The Chosen One: A variant. In Battle of the Labyrinth, Pan states that he specifically chose Grover to deliver the message of his death to the world.
  • Curtains Match the Window: Brown hair and brown eyes.
  • Distressed Dude: In Sea of Monsters.
  • Extreme Omni-Goat: Well, omni-satyr. Grover will eat anything, including tin cans, wax paper and playing cards.
  • Friend to All Living Things: Comes with the territory.
  • Green Thumb: Melodies played on his reed pipes can make plants grow.
  • He's Just Hiding!: In-universe, he does not believe Pan dead and his main motivation is to gain a Seeker's license so he can search for him. He's right, and he does find time to see him actually die.
  • Herald: He's the one who reveals the existence of the mythical world to Percy.
  • Heterosexual Life-Partners: With Percy, they share an empathy link.
  • Inept Mage: At first, he grows more into his power as the series progresses.
  • Intergenerational Friendship: Subverted, kind of. He is in his thirties, but because satyrs age slower than humans, he is considered a teenager in satyr society. He also acts and talks like a teen, not to mention mingling with teenage demigods, muddling the facts further.
  • Interspecies Romance: Technically with a tree. In mythology, though, Juniper is a dryad, and nymphs are often treated as the female versions of satyrs.
  • Magic Music: His music can cause plants to grow.
  • Meaningful Name: Grover Underwood is a satyr.
  • Nice Guy: He remains kind, caring, and protective despite being the resident Butt-Monkey.
  • Plucky Comic Relief: More so earlier on before the series gets Darker and Edgier, but the series still manages to get a few jokes in at his expense.
  • Put on a Bus: In The Heroes of Olympus series. It's explained that as a Council Elder, he has to travel through North America to help those affected by disasters caused by Gaia. He only appears in a dream in The House of Hades, where he accompanies Rachel to meet with Reyna and Octavian.
  • Race Lift: Is black in the movie when official art depicts him as a pale redhead.
  • Throw the Dog a Bone: In The Last Olympian, he's made a Lord of the Wild and gets a position on the Council.
  • Throwing Off the Disability: He uses crutches when among muggles to disguise his goat-legged gait.
  • Took a Level in Badass: Goes from being the unquestionable Butt-Monkey in The Lightning Thief to being a competent member of the good guys' team whose skill set complements the more action-oriented demigods.
  • Trademark Favorite Food: Enchiladas. And tin cans.
  • The Un-Favourite: The Council of Cloven Elders has a very strong dislike for Grover out of all their satyrs, particularly after book four.
  • Why Did It Have to Be Snakes?: Due to past experiences, Grover is terrified of Cyclopes. Ironically his friend Tyson, who is a cyclops, feels the same about him.


Grover's uncle, who was killed by Medusa.
  • Taken for Granite: How Medusa killed him — Grover realizes what happened to him when he sees his statue in Medusa's collection.

    Gleeson Hedge
"If I hear about any funny business, I will ground you until the Styx freezes over."

A protector and satyr.

He is introduced as being one of the teachers at the Wilderness School attended by Jason, Piper, and Leo. During the fight with the venti he is captured, and is later rescued from Medea. He later becomes the Seven's official chaperon on the Argo II.

Hedge is middle-aged, and often feels the need to prove that his age doesn't make him useless. As such, he is constantly raring to fight and puts a lot of emphasis on survival of the fittest, but he's also very quick-thinking and does truly care about the heroes underneath his gruff exterior.

  • Ascended Extra: He was mentioned by Grover in a one-liner in The Last Olympian, and is now a major supporting character.
  • Blood Knight: He...loves violence. He wasn't bothered that Leo attacked New Rome since it meant fighting.
  • Doting Parent: Shows off his new baby boy to everyone from both camps at the final victory feast.
  • Extreme Omnivore: He'll eat anything, like most satyrs.
  • Fauns and Satyrs: He's a satyr.
  • Fearless Fool: He acts like this, being excited to fight even if the odds of winning are next to none because it means violence.
  • Happily Married: He and Mellie got married before the Argo II departed.
  • Henpecked Husband: While not henpecked per se, he never defies Mellie's wishes. He is absent from the majority of the action in The Burning Maze because Mellie objects to him participating.
  • Hidden Depths: All the badass Blood Knight tropes are his characterization from the first three books. In book four, we learn that he and Mellie got married not long before Argo II left, that Mellie's pregnant, that Hedge still feels guilt over not running to his mother's rescue because he was saving Clarisse at the time, and that he's terrified that something will happen to his wife and baby while he's stuck on the other side of the planet.
  • I Let Gwen Stacy Die: Revealed in The House Of Hades that while he was bringing Clarisse in to Camp Half-Blood, his mother contacted him in a panic. He couldn't believe anyone would try to hurt a cloud nymph, so he brought the demigod in before looking for his mother. He never found her. Lends his fears for his wife and baby just that extra edge.
  • Intergenerational Friendship: With the Seven.
  • Interspecies Romance: With Mellie, an air nymph.
  • Large Ham: Hedge is very loud and flamboyant with his actions.
  • Leeroy Jenkins: He's...very eager to go into battle, even if who they're fighting is a potential ally.
  • Lineage Comes from the Father: Apparently the son of a satyr and an aura is a satyr. On the other hand, all known satyrs are male and all known aurae are female, so it might be that any daughters would be aurae. Hedge says his own mother was a cloud nymph.
  • Meaningful Name: "Hedge" is a plant-related nature spirit.
  • Noodle Incident: Apparently has nightmares about 101 Dalmatians.
  • Official Couple: With Mellie.
  • Papa Wolf:
    • He is terrified that he won't be able to save his wife and baby, being stuck on the other side of the Atlantic. When it is suggested that he be one of the three to shadow-travel back to Camp Half-Blood in hopes of diffusing the war, he is elated.
    • He also cares a lot about the demigods entrusted to him. When he receives news of Jason's death, he wastes no time to go to Malibu and help Piper arrange his funeral.
  • Sixth Ranger: He takes part in the voyage to Greece, despite not being one of the Seven.
  • Team Dad: He's gruff, stern, and attempts to keep the Seven in line in his own way. He's also prone to grounding them.
  • Tranquil Fury: Surprisingly, he manages to keep quiet after Apollo delivers news of Jason's death. This only creeps Apollo more.
  • Would Hit a Girl: In Mark of Athena, he knocks out Keto, an ocean deity, with a kick to the head.


Often hangs around "Camp Jupiter" asking for change and food.
  • Ascended Extra: He's a major supporting character in The Tyrant's Tomb.
  • Back-Alley Doctor: Worked as a nurse after the romans battle a army.
  • Funny Afro: Has one.
  • Heroic Sacrifice: Stayed behind at Caligula's fleet to ensure that the mortars were redirected back at the ships, and was caught in the blast. He survives for a few hours but eventually he succumbs to his injuries.
  • Hobo: Lives as one at "Camp Jupiter".
  • The Medic: See Back-Alley Doctor above.


Nature spirits responsible for the beauty and preservation of a particular location or landform. They can often be found in mountains, groves, springs, rivers, trees, valleys or grottoes.
  • Achilles' Heel: Destroy the thing they're the spirit of and they die.

The mountain nymph of Mount Chithaeron (known as an oread) who fell in love with Narcissus. She was cursed by Hera to always echo what she previously hears as punishment for covering Zeus' tracks by distracting her with idle gossip.
  • Hopeless Suitor: For Narcissus. She loves him, but he only loves himself.
  • Ironic Echo: Literally. She's been cursed by Hera for gossiping a lot to echo whatever she hears last.
  • Love Martyr: She's spending her second chance at life still trying to help Narcissus break from his curse. He pays no attention to her, and because of her curse she's almost invisible to everyone else.
  • Love Redeems: She's trying to do this for Narcissus.
  • Visible Invisibility: Part of her punishment at the hands of the gods, she always mirrors any background she walks in front of, causing her to appear camouflaged and invisible. She shows her true face to Leo for a moment, and Leo remarks that she was actually kind of pretty, although the memory of her face was already slipping away.
  • What Beautiful Eyes!: When she kisses Leo, he marvels at her blue eyes.


Grover's dryad girlfriend, who is first introduced in the third book.

  • Beta Couple: With Grover, with whom she gets with far quicker than Percy and Annabeth do.
  • Clingy Jealous Girl: Implied to be this in The Demigod Files, where Grover comments on the beauty of the tree nymphs up in Lake Placid, but then asks the interview to edit that part out so that Juniper won't kill him.
  • Exactly What It Says on the Tin: Her tree is a juniper tree, hence her name.
  • Genki Girl: Very cheerful.
  • Glomp: Does this to Grover when he comes back to camp in the final book.
  • Graceful Ladies Like Purple: Wears a purple gossamer dress in The Last Olympian.
  • Interspecies Romance: She's a dryad, while Grover is a satyr.

Former personal assistant to Aeolus. At the end of The Lost Hero, she replaces Jane as Tristan McLean's secretary.

One of Apollo's two great loves. Shows up in a hallucination of his.

Ancient dryads of ash trees, children of Gaia and Ouranos. They faded away long ago, but Philip McCaffrey managed to experiment with seven seeds that later give birth to the Meliai.
  • Amazon Brigade: All of them are warrior women.
  • Blade on a Stick: Each of them carries a honey-gold wooden spear.
  • Bodyguarding a Badass: If she is near the Palm Springs area, Meg can call the Meliai to protect her. Meg, who is already a powerful demigod of Demeter.
  • Curb-Stomp Battle: They easily access the Burning Maze through the Downtown Los Angeles area, which is guarded by Caligula's elite army. When they come out, they utterly defeat Incitatus without breaking a sweat, and without anyone else to help them.
  • Horrifying the Horror: How quickly they dispose of Incitatus and his lackeys surprises everyone present. Even Meg.
  • Luckily, My Shield Will Protect Me: They complement the spears with honey-gold wooden shields.
  • Statuesque Stunner: Seven feet tall, to be precise.
  • Undying Loyalty: They are loyal to Meg because her father remade them and she planted their seeds, ensuring their birth. Not to mention that both are connected to Demeter, whom they respect.


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