Chiron

"HOLD! On your promise, HOLD!"

- Chiron to the Party Ponies Chiron is the activities director at Camp Half-Blood. He is a centaur and is  the son of Kronos. Chiron is also known as Mr. Brunner. He was portrayed by Pierce Brosnan in the The Lightning Thief, and will be portrayed by Anthony Head in the film adaption of The Sea of Monsters.

History
Chiron was sired by Kronos, who was in the form of a horse at the time. His mother, Philyra abandoned him at birth because of her disgust at his appearance. Later the sun god Apollo (some say Helios) took care of the child and taught him all his skills. Chiron is not a true centaur, as centaurs are notorious for being overly indulgent drinkers and carousers, given to violence when intoxicated, wild, lusty, and generally uncultured delinquents. Chiron, by contrast, was intelligent, civilized, and kind. Also, true centaurs are born of sun and cloud (Ixion and Nephele), and are not immortal. However, Chiron gained his immortality from the gods.

Throughout the Greek age, Chiron was the only immortal centaur and was known for his exceptional wisdom and also known as the teacher of heroes, including Asclepius, Aristaeus, Ajax, Aeneas, Actaeon, Caeneus, Theseus, Achilles, Jason, Peleus, Telamon, Heracles, Oileus, Phoenix, and many other demigods. He supposedly died, after giving his immortality to another, and then was shot with an arrow. This account is false, as Chiron lived to Percy Jackson's time. This is because he was given immortality by Zeus so he will stay alive  just as long as he is needed to teach heroes. In the old myths Chiron was also supposedly killed.

The Lightning Thief
Chiron posed as Percy's Latin teacher, Mr. Brunner, as he was called by Grover Underwood the satyr in charge of Percy.He used an enchanted wheelchair to hide his backside and used fake legs. In the museum, he saves Percy from being killed by the Fury Alecto by throwing him Riptide, a sword disguised as a ballpoint pen. He later pretends it didn't happen, with the hopes that Percy won't notice. However, Percy isn't very convinced.

Percy looks up to him, and is very upset when he thinks 'Mr. Brunner' is disappointed in him. Later, it is revealed when Percy eavesdrops on a conversation between his teacher and Grover that 'Mr. Brunner' is worried about Percy's safety and whether he is prepared or not, and does not want to get him involved yet.That however proves to be impossible. Chiron meets Percy again on the balcony of the Big house when Percy wakes up, after he was attacked by the Minotaur. Chiron is worried about Percy, and cares for him. He tries to train Percy as much as possible, and hopes that Percy is the son of a minor god (for Percy's own safety), though he suspects that his father is indeed Poseidon. When he is forced to send Percy on his quest, he was disappointed on not being able to train him more as he did with other heroes before Percy.

The Sea of Monsters
Chiron is blamed for poisoning Thalia's tree and the camp's borders since he is the son of Kronos, and replaced by  Tantalus who took  over the position of Activities Director. Percy and Annabeth (Annabeth especially) are furious that he is untrusted, and they do not know why Chiron is suspected, as they don't know about Kronos being his father. Before he leaves, he meets Tyson, Percy's half-brother, and Tyson takes a liking to him, calling him "pony" which Chiron finds offensive. Annabeth cries when Chiron leaves as she beleived him as a father, and Percy feels like crying, though he won't let himself.

Percy is desperate to bring back Chiron and get rid of the evil, twisted Tantalus, and succeeds, by starting an Iris Message behind Luke, and getting Luke to admit he had poisoned Thalia's tree. Tantalus is then banished back to the Underworld (just as he managed to grab a cheeseburger) and Chiron and the rest of his species save Percy, Annabeth, and Tyson from Luke and his goons.

Later, Chiron comforts Percy in his mission, and reveals his parentage when Percy says he is still confused about why the Council would suspect him. After Thalia is expelled from the tree, Chiron is afraid for her and Percy, because now there were two possible pawns for his father, Kronos to use.

Although he wasn't training heroes in his break, it seems to be explained as he was still needed and it is known that Chiron's immortality will live within him as long as he was needed, even though he wasn't training.

The Titan's Curse
Chiron tries to comfort Percy after Annabeth is kidnapped though he himself was a very worried centuar. He later arranges a friendly Capture the Flag game between the Campers and the Hunters. Much to the campers and Chiron's dismay, the Hunters emerge victorious for the fifty-sixth time in a row as Chiron later announces. After Thalia and Percy get into a fight, Chiron breaks them up, and is amazed by seeing the Oracle coming out of the Big House and delivering a prophecy to Zoë.

Later, when Percy is excluded from the rescue group, Chiron tries to comfort him, but Percy doesn't want to be comforted which makes things worse. He is dismayed to hear Chiron state that he wouldn't choose Percy or Thalia as his choice for this quest since he beleives that the two of them together would be very dangerous as Percy is powerful but is not sure of himself and Thalia is powerful and is too sure of herself. Chiron deeply cares about Annabeth, they are even closer to each other than Annabeth is to her actual father, and he is sure that the group will find her.

Later, after Percy realizes that Nico is the son of Hades, he hides that from Chiron, afraid of what he will do. When Percy asks about mortals that see through the Mist, Chiron informs him that some mortals are special, and can do that, including Percy's mother Sally. Percy asked because of his encounter with Rachel.

The Battle of the Labyrinth
Chiron is slightly distrustful of Quintus, and he talks about it with Percy. He later talks about the Labyrinth with Percy and Annabeth, and the entrance that is within the boundaries of the Camp, and assigns the quest to Annabeth. Annabeth is very nervous. Clarisse had been first asked to go back, but hotly refused, saying 'she would never go back to that place again'.

Chiron later speaks battle statistics with the Campers, and says that he knows where Percy was when he was missing (Calypso's Island). He was very heart-broken when Percy had been missing, and was relieved to see him again. He fights in the battle against Luke's forces, and they win, with the help of Grover. However, he was injured and required medical attention.

The Last Olympian
Chiron tells Percy of what happened with Typhon and is very worried for the fate of Olympus. He organizes the teams for battle, and fails at convincing Clarisse to fight with them. He then sends out to see if the centaurs will fight for them. The centaurs agree, and the "Party Ponies" help defend Manhattan. He later fights in battle against his father, and there is a confrontation between the two, and was called 'that weakling son of mine' by Kronos. Chiron is thrown against a wall and covered with rocks, and dug out by Mrs. O'Leary. He is injured, but manages to make it to camp, where Rachel receives the Spirit of Delphi. He is in the audience that hears the next great prophecy, and comforts Percy, Annabeth, and Rachel that it may be decades before the fulfillment of that prophecy, although the prophecy is revealed to be happening a few months later in The Lost Hero.

The Lost Hero
Chiron first appears when he says to Jason, "You...you should be dead." He then "invites" Jason inside the big house. He is still the camp's activities director; but Mr. D is barely mentioned in this book, since Zeus has brought the gods back to Olympus and closed it off. When Leo reveals Bunker 9, Chiron tells of its' history with the Demigod Civil War. He also explains that there was a possibility of Bunker 9 rekindling the same spark that caused the Civil War between Romans and Greeks and that was why even in the Titan War, it was never used until Leo had discovered it. Later at the council meeting, he discusses with the other council leaders the events of the quest, the building of the Argo II, and Annabeth and Jason discuss Percy's possible location and condition.

The Son of Neptune
Percy mentions Chiron, hoping that he'll forgive him for attacking Centaurs who were invading Camp Jupiter. Percy feels that Chiron would forgive him because these Centaurs weren't like the Party Ponies, these Centaurs were raised to fight the Romans as they were soldiers of Gaea.

Personality
As the Director of Camp Half-Blood, Chiron takes great pride in his students and acts as a father figure to those that have problems with their own family (like Annabeth). He will also go out of his way or put himself in danger to protect the campers even if he knows that he may not be able to help them.

Chiron also has deep faith in Percy, even before Percy knew he was a demigod. During his time as Percy's teacher, he would constantly push Percy to excel in his studies and pushed him to not only pass the class, but do so with a high grade. Even though Percy didn't manage to pass with an A, he still managed to get a decent grade. Chiron later tells Jason that he was proud of the person that Percy had become.

While he is calm and patient he occasionally becomes angry, during which Percy notes that his tone becomes "steely calm."

Appearance
Chiron is described as a middle-aged white centaur from the waist down with thinning brown hair, bushy eyebrows, intense brown eyes and a scruffy beard grown longer in the winter. In the movie his lower half is chestnut brown.

The Lightning Thief
In the film The Lightning Thief, Chiron is played by Pierce Brosnan. He is portrayed as being a centaur with a dark brown lower body pelt, where as in the books he is said to be a white stallion instead.

Chiron

The Sea of Monsters
In the film adaptation of The Sea of Monsters film, Anthony Head will replace Pierce Brosnan in the role of Chiron.

Trivia

 * Although he is portrayed as a white stallion from the waist down in the Percy Jackson and the Olympians series, in the film, graphic novel and video game, he is shown to have a dark brown lower body pelt instead.
 * He is known to like 50's music as shown in The Sea of Monsters, and he is also a fan of 40's music in The Lost Hero, but it is unknown if it is in fact 1940's music he is playing. He also likes Frank Sinatra and Dean Martin. It is unknown if he likes other members of the Rat Pack or just the two, who are the most famous members.
 * He is technically the first Monster to appear in the series, although he used his wheelchair to disguise his full form.
 * It is possible that he had the ability to contact Percy while he was at Camp Jupiter, just as Lupa managed to contact Jason while he was at Camp Half-Blood.

Quirón