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Characters / The Camp Half Blood Series Triumvirate Holdings

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The history of Rome is well known, including its emperors. Unknown to many, this memory and reverence allowed a trio of the most infamous emperors to extend their lives far beyond their natural limits. Now in the modern day, they seek to use the wealth and influence they have accrued over the centuries to create a new empire, an empire they would see built on the bones of the old gods. They serve as the Big Bad of the The Trials of Apollo series. This page details the Triumvirate and their various allies and employees. For a more thorough list of characters in the setting, see here.


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The Triumvirate

The corporate mastermind behind many events in the Camp's (and world's) history. The three heads of the company are also known as the imperators.

  • A God Am I: A variation in that the Triumvirates themselves are de facto already minor gods, but they want to rise to the ranks of the Olympians, the highest gods of the pantheon.
  • Arc Welding: Apparently Triumvirate Holdings funded the Titans' attack on New York and the Giants' rise against Olympus.
  • Big Bad: Apparently the biggest bad of the series and the previous ones.
  • The Caligula: The heads of the Triumvirate seek their own advancement, even if it means funding a war on the streets of New York or leveling Long Island. Literally, in the case of Neos Helios, who is Caligula.
  • Corrupt Corporate Executive: A whole group of them - unlike previous villains, these men are threatening because of their absurd capital rather than their magical strength.
  • Evil Counterpart: All of them have Apollo's characteristics: arrogance, fantastic oration, a need for worship, an ignorance to the plight of others and a massive case of It's All About Me. They love to rub it in his face. His Character Development is growing more human and distancing himself from these dark mirrors.
  • Fiction 500: They've had quite some time to build their wealth and influence. Their company, Triumvirate Holdings, is perhaps the largest in the world. Caligula has a fleet of 50 pleasure yahcht which cost no less than 500 millions each.
  • Gods Need Prayer Badly: The three heads survived centuries after they should have died due to the exaggerated legends surrounding them and forcing their subject to worship them. This is notable because they are merely humans who claimed to be gods.
  • Greater-Scope Villain: For the two preceding series, as they funded the previous demigod villains without involving themselves.
  • Historical Villain Upgrade: The heads of Triumvirate Holdings are genocidal conspirators plotting to take over the world, an evil way beyond the scale of the Roman Emperors.
  • The Man: Rhea explicitly compares their influence to this concept, and they use every venue open to capitalists to gain power.
  • Man Behind the Man: While they can't claim responsibility for the actions of the previous Big Bads, they did make the situation noticeably worse. It was through their actions that Luke gained his cruise/warship and their intermediaries sold the onagers to Octavian.
  • No Honor Among Thieves: Well no honor among co-conspirators for world/ celestial domination, but close enough. As of now, the emperors all have plans to betray each other or at least become the superior member. Python is heavily implied to be using them all as pawns in his own scheme as well, whatever that turns out to be. And Then we have people planning to use the Triumvirate Holdings to further their own goals, like Incitatus.
  • One Steve Limit: Averted, naturally. The Roman imperial family weren't a very creative folk when it came to naming people.
  • Teeth-Clenched Teamwork: While allied, there is no love lost between the three emperors. With Commodus it is a temporal thing (he was born four generations after Nero), but Caligula and Nero are uncle and nephew. Then again, this is the Roman imperial family we're talking about.
  • Villain: Exit, Stage Left: Each of the emperors manages to escape the heroes after being defeated in the book where they are introduced, setting up a Sequel Hook each time.

Regnal name Nero Claudius Caesar Augustus Germanicus, the first named member of the Triumvirate, and the main antagonist of The Hidden Oracle. Also known as the Beast.

  • Abusive Parents: To Meg, after killing her real father.
  • Flunky Boss: The Beast prefers to be flanked by his Germani rather than fight alone.
  • Hidden Villain: The Beast is remains in the shadows for most of The Hidden Oracle and its only in the final chapters of the book is his identity revealed; The Beast is Emperor Nero.
  • Jekyll & Hyde: He pretends to suffer from this so he can keep Meg compliant by making it seem like it's her fault whenever he gets angry and abusive.
  • Manipulative Bastard: The Beast intentionally endangers Apollo's children to manipulate the former god. He also tricks Meg into thinking that he and "The Beast" are split-personalities, and that the latter only emerges if Meg makes "him" angry, and therefore the resulting abuse is her fault.
  • The Mole: The Beast has managed to plant a demigod in Camp Half-Blood who answers to him. It turns out to be Meg.
  • Names to Run Away from Really Fast: "The Beast" is a title of the Devil in Christian faith. And that's before you find out what he did to earn that appellation...
  • Purple Is Powerful: He wears purple woolen suits.
  • Pyro Maniac: The Beast first appears in a volcano, and seems to use arson as his signature weapon.
  • Spell My Name with a "The": The Beast, mostly because it's a title rather than his actual name.
  • While Rome Burns: Discussed Trope, concerning the Trope Namer no less, just as the Beast unveils his plans, he points out that he never fiddled while Rome burned and tried to stop the fire, but Apollo notes he used the opportunity to built a palace atop the burned neighborhoods.
  • Why Did You Make Me Hit You?: Makes Meg believe that there is a difference between her stepfather and "the Beast," and the Beast only comes out to harm her when she displeases him, thus making her believe it's her fault.

Regnal name Imperator Caesar Lucius Aelius Aurelius Commodus Augustus, the second named member of the Triumvirate, and the main antagonist of The Dark Prophecy. Also known as the New Hercules.
  • Bad Boss: See You Have Failed Me. Unfortunately for him, The Dog Bites Back.
  • Berserk Button: Apollo. To the point where he refuses to call him anything but "Lester" for most of the book, only letting slip when truly enraged.
  • Blood Knight: Guy loves to kill things- animals, his allies, his enemies, etc.
  • Charles Atlas Superpower: As a mortal he was incredibly strong and powerful from pure training and combat expertise, though see Historical Badass Upgrade.
  • Dartboard of Hate: Has one for throwing knives with Lester Papadopoulos's face on it.
  • Egopolis: To exaggerated levels. Given half a chance, this guy will try to rename everything after his glorious self. From entire cities, down to restrooms. Given his name is very similar to the old word for "toilet", no one subjected to this ever liked it, which was part of what led to his 0% Approval Rating in the old days.
  • Eye Scream: Apollo blinds him (possibly permanently) with a brief but intense blast of light.
    Commodus: MY EYES!
  • Historical Badass Upgrade: The original emperor was known as a coward who only fought when his victory was assured and avoided real combat. This version is/was a genuinely powerful warrior who isn't afraid to get his hands dirty.
  • Historical Hero Upgrade: Slightly. The original version was known for his cruelty as a child, and showed signs of madness long before he took the throne. According to Apollo, this one used to be a somewhat decent person who got Drunk with Power after becoming emperor of Rome.
  • Hunk: According to Apollo and Meg he's pretty easy on the eyes.
  • Ironic Echo: Commodus repeats some of the things Apollo said to him when he was an emperor back at Apollo.
  • It's Personal: With him and Apollo, it's very personal. The only reason he isn't listed as a Psycho Ex-Boyfriend is because his madness had nothing to do with their break-up.
  • Large Ham: The guy calls himself "The New Hercules" and adores gladiator sport. He's pretty much always using his stage persona.
  • Leeroy Jenkins: As part of his Historical Badass Upgrade, he's brave almost to the point of stupidity.
  • The Lost Lenore: Not in the story itself, but between his mortal death and divine resurrection he was one for Apollo.
  • The Only One Allowed to Defeat You: Apollo's reason for killing him the first time around is summed up as being unable to stand the idea of anyone else killing him as Apollo originally liked him that much. And given the reputation he had at the time, someone killing him was an inevitability.
  • Puppet State: Character-example. He was chosen as the third emperor because the other two need each others help, but know that if they're neighbors they'll just turn against each other. Commodus is weak enough that the other two can give him the lands between them and set him up as the ruler of a buffer state.
  • You Have Failed Me: Any failure, no matter how slight, results in the death of the underling. Truth in Television for the real-life emperor.

Regnal name Gaius Julius Caesar Augustus Germanicus, the "Emperor of the West" is the last named member of the Triumvirate and the main antagonist of The Burning Maze. He is Nero's maternal uncle. Also known as the Neos Helios (New Sun).
  • A God Am I: Takes it a step further than the other emperors. He planned to absorb what's left of Helios and Apollo to become a new Sun God.
  • Brother–Sister Incest: He was very close to his sister, Julia Drusilla. Very close.
  • The Caligula: Actually averted. Caligula's weakness and lunacy are just for show, as he is extremely calculating and perfectionist in private.
  • Embarrassing Nickname: The legionnaires thought he was just so adorable as a kid in his little miniature legionnaire costume. So they nicknamed him "Caligula", after a legionnaire's caligae (army boots). Needless to say, he doesn't much like the name.
  • Even Evil Has Loved Ones: He loved his departed sister badly. He even named all fifty cruise ships docking near Santa Barbara after her.
  • Evil Nephew: He ordered his great uncle, Tiberius' assassination, just to make sure that he died if not from old age.
  • Exact Words: Fond of using this against people. You pledge him your life, he takes it. A follower pledges his heart and those of his men. Guess what he does next...
  • Faux Affably Evil: He's almost always seen acting downright chummy with everyone he interacts with. It is all a front however, for in reality he's nothing but a cold, vicious, sociopath who will order the torture, humiliation or death of anyone who gets in his way, all with a smile on his face.
  • Fluffy the Terrible: "Caligula" roughly translates as "Baby Boots".
  • Hero Killer: He kills Jason Grace, one of the main characters of the previous series and one of the most powerful demigods in the world.. He's the first antagonist to permanently kill a main character in the Riordanverse, as all other deaths were either temporary (in the case of Magnus Chase and Leo Valdez), or of secondary characters.
  • Horrifying the Horror: When he was still a god, Apollo had one interaction with Caligula. He found the experience so unsettling that he steered clear of the Roman empire for decades.
  • Knight of Cerebus: Book 3 is much darker and he's the reason. Not only is he The Dreaded to other emperors but to Apollo himself. He also killed Jason in cold blood.
  • Obfuscating Insanity: Apollo argued that this is his defining feature and what make him so dangerous. He used theatrics to unbalance his opponent but he knows exactly what he's doing. Unlike Commodus, who's more interested in putting on a good show, Caligula went for the kill, as poor Jason found out.
  • The Sociopath: Described as such by Apollo, and he lives up to it.
  • This Is Unforgivable!: He considers any Roman demigod who defies him as committing high treason. He invades Camp Jupiter for this very reason. He also kills Jason partly because of this.


With fragments of divine power, as well as generally poor relationships with their godly parents, demigods make excellent pawns.

    The Beast's Spy 
Meg McCaffrey

Adoptive daughter of The Beast after he killed her father, the Spy serves as his tool to manipulate the fallen god Apollo. For related tropes, see here.


Mortal Servants

After spending so many years building their power, the Triumvirate has no shortage of mortal followers.
Warriors from the tribes north of Rome. A number of them now serve their former enemies.

Full name Quintus Naevius Cordus Sutorius Macro, he is a prefect of the Praetorian Guard and Caligula's personal bodyguard.

  • Back from the Dead: He agreed to serve Caligula again because the latter allowed him to escape through the Doors of Death. Bear in mind that it was essentially Caligula who caused Macro's death. Apollo questions what kind of loyalty this is.
  • Bald of Evil: Possesses an impressive balding head.
  • Driven to Suicide: In his first life, he committed suicide after a falling out with Caligula.
  • Hoist by His Own Petard: He is killed by his own automatons.
  • Killed Off for Real: Caught in the blast of the automatons' self-destruct mechanism.
  • The Kingslayer: Personally assassinated Tiberius on Caligula's orders. He still possesses the scars Tiberius inflicted on his hands while he was smothered.

A powerful sorceress, granddaughter of Helios. She was recruited by Caligula to help with his plan to become the New Sun. For tropes about her, see here.

Mythological beings

The Triumvirate isn't above associating with the foul spawn of the pit if it furthers their goals.

An earth dragon and ancient foe of Apollo. Slain centuries ago to claim the Delphi oracle, he has since regenerated and now blocks access to prophecy.

  • Ascended Extra: He's had minor mentions before in the context of the Delphi oracle, but never actually appeared. Here he's one of the main antagonists.
  • Big Bad Duumvirate: He seems to be partners with the Triumvirate, and speaks to The Beast without any signs of subservience on either's part.
  • Deadpan Snarker: According to Apollo he's quite sarcastic, though few can tell the difference in tone between sincerity and snark.
  • Evil Sounds Deep: Being a gigantic monster helps.
  • Greater-Scope Villain: He blocks Delphi, making communication between the Olympians, the demigods, and other mythological beings impossible and starting the heroes' search for the other oracles. Up to the latest book, however, Python has yet to play a direct role in the main story.
  • Historical Badass Upgrade: Interestly, inverted in-story. Apollo made sure to spread the tales of how he easily killed Python with a single arrow, which became the well-known "legend". However, the reality is that Python is a lot more dangerous and even with his godly powers Apollo implies he only barely got by with a victory, which is why he had nightmares about him centuries after the fight.
  • Nightmare Fuel: In-Universe. Apollo had nightmares of him for centuries after their battle.
  • Orcus on His Throne: He chose not to take part in Gaea's war, biding his time until the Triumvirate's bid for power.
  • Snakes Are Sinister: Very snake-like and very sinister.
  • The Starscream: Hints of it, which become more apparent in Book 3 as the Triumvirate's plans continue to be foiled/stalled. At the very least, he doesn't have much faith in The Beast as a leader.

The nosoi (singular nosos) are plague spirits that appear as shimmering clouds or bloated corpses.

  • It's Personal: They hate Apollo for taking their job as plague spreaders.
  • Nigh-Invulnerability: The "Made of Air" variant. Any blow just causes the targeted area to dissolve into mist before reforming.
  • Our Zombies Are Different: Not actually zombies, but their corpse-like appearance helps them look the part.
  • The Plague: They're the physical embodiments of all plagues.
  • Super Smoke: They can transform into shimmering clouds for better speed and maneuverability.

Extremely uncreative monsters that have their faces on their chests and are very hard to kill. They're on Commodus's pay roll.

  • Affably Evil: They take politeness to the extreme, to the point where it's extremely easy to fool them if you just do it under the guise of good manners.
  • Creative Sterility: The entire species as a whole.
  • Gosh Darn It to Heck!: How they speak. After all, they wouldn't want to be impolite.
  • Ideal Illness Immunity: On top of their extreme toughness, Apollo also notes that they're highly resistant to most diseases, rendering both normal arrows and plague arrows ineffective.
  • Look Behind You: Apollo successfully pulls off this trick on them, due to the fact that a) they cannot glance, due to their peripheral vision being blocked off by their armpits, and b) they take several seconds to turn around, which is used to his advantage.
  • Made of Iron: They're pretty tough. When Calypso tries to kick one in the face, she breaks her ankle, and no damage is done to the monster.

A tribe of men with giant ears, eight fingers and toes, they have fur that starts out white and turns to black overtime. Wields a khanda, a sword associated with Sikhism. They used to serve the kings of India.

  • Master Swordsman: Very agile with the khanda.
  • Super Senses: Because of their gigantic ears, they can hear even the slightest bit of sound.
  • Unusual Ears: Their ears are so large that they could cover their whole body. Apollo mistakes them to be keffiyeh, at first.


    The Colossus Neronis 
A titanic statue of Emperor Nero, constructed as a monument to his ego. After the fall of Rome the Triumvirate retrieved the statue and converted it into a titanic automaton.

  • Annoying Arrows: It's giant and made of metal, both things that make arrows little more than annoyances.
  • Attack of the 50-Foot Whatever: It's an eighty foot tall Magitek robot.
  • BFS: By virtue of being a sword designed for a giant robot.
  • Full-Frontal Assault: It's noted to depict Nero, completely nude. Apollo's haiku at the beginning of the chapter even asks where its underwear is.
  • Off with His Head!: A combination of damage and a plague arrow makes it sneeze its head off.

Caligula's well-known horse. It's not so well known that he is actually fully capable of speech.
  • Bright Is Not Good: He has a white and gold coloration.
  • Caligula's Horse: The Trope Namer but he actually subverts the spirit of the trope, since he's actually very capable of just about any task Caligula might give him.
  • Dragon with an Agenda: A parody of this trope. He speaks openly about him being Caligula's loyal friend. However, he quickly reveals his true goal: An uprising of horses against humanity once Caligula has succeeded in his plans. Then he gets killed before he can pull it off.
  • Enigmatic Minion: Nobody knows where he came from or how he can speak English. All of which give off a mysterious vibe.
  • Intellectual Animal: He's well-aware that Caligula is using him, and Caligula knows the horse is using him.
  • Killed Off for Real: Gets curbstomped by the Meliai.
  • Riddle for the Ages: Even Apollo has no idea how or why he can speak, but he can.
  • Right-Hand Attack Dog: He acts as Caligula's main subordinate just as much as his steed.
  • Smug Snake: Very arrogant and over-confident, referring to Caligula as "pal" and "my boy", as if he owns the Emperor, not the other way around. That being said however, he's not immune to charmspeak and he's killed by the meliai in an instant.
  • Talking Animal: A fact that isn't so well-known to the world.
  • White Stallion: Of course he belongs to Caligula.

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