Percy Jackson Family Tree: Key Characters Explained

The Ultimate Percy Jackson Family Tree Published Nov 5, 2026, 4:30 PM EST Paulina is a Contributor for ScreenRant, writing about books. After starting her career reporting breaking news as an undergrad, Paulina completed a Master of Arts in Journalism from NYU in 2026. She has spent the last four years writing about books and pop culture as a freelance journalist, including for Texas Monthly, The Daily Beast, and her Substack, Alienated Young Woman. Sign in to your ScreenRant account Percy Jackson and the Olympians season 3 is on the horizon, which means there's never been a better time to dig into—or simply refamiliarize yourself with—the books. Much to readers' delight, Percy Jackson hasn't made many changes from Rick Riordan's novels. Each season generally adapts one book in the series, so if you’ve kept up with the first two seasons of the show, you’ll have a decent idea of how The Lightning Thief and The Sea of Monsters unfold​​​​​​. That said, you should absolutely still read the original novels, and not just because they’re excellent. For one, season 2 took a major deviation from the books that will undoubtedly impact season 3. What's more, Book 3, The Titan's Curse, introduces several pivotal characters who we haven’t yet seen in the show; the trailer for Percy Jackson season 3 confirmed we're about to meet these exciting new characters when it premieres on November 20.. But even if you’ve read every page of Percy Jackson and the Olympians (and its three sequel series, The Heroes of Olympus, The Trials of Apollo, and The Nico di Angelo Adventures), it can still be confusing to navigate the tangled web that is the Greek gods’ lineage. Here's everything you need to know to untangle every branch. Percy Jackson And The Olympians: The Book Characters You Need To Know Demigods Image courtesy of MovieStillsDb Percy Jackson: The son of Poseidon, protagonist of Percy Jackson & the Olympians, and a central character in the rest of the Camp Half-Blood Chronicles. Portrayed by Walker Scobell in the show. Annabeth Chase: The daughter of Athena, a central character in Percy Jackson and the Olympians, Percy’s best friend and eventual love interest, and a central character in the rest of the Camp Half-Blood Chronicles. Portrayed by Leah Sava Jeffries in the show. Luke Castellan: The son of Hermes, a longtime camper, and the villain of Book 1. Portrayed by Charlie Bushnell in the show. Thalia Grace: The daughter of Zeus, the oldest surviving child of the Big Three gods, and a central character from Book 3 on. Portrayed by Tamara Smart in the show. Zoë Nightshade: A daughter of the Titan Atlas, one of the Hesperides, and a central character from Book 3 on. A member of the Hunters of Artemis. Portrayed by Saara Chaudry in the show. Nico di Angelo: The son of Hades, brother of Bianca di Angelo, youngest child of the Big three gods, a central character from Book 3 on, and the eventual protagonist of The Nico di Angelo Adventures. Portrayed by Levi Chrisopulos in the show. Bianca di Angelo: The daughter of Hades, older sister of Nico di Angelo, and a central character from Book 3 on. A member of the Hunters of Artemis. Portrayed by Olive Abercrombie in the show. Clarisse La Rue: The daughter of Ares and supporting character throughout the series. Portrayed by Dior Goodjohn in the show. Chris Rodriguez: A son of Hermes who turned against the gods after being rejected by his dad, Clarisse’s eventual love interest, and a supporting character from Book 2 on. Portrayed by Kevin Chacon in the show. Silena Beauregard: A daughter of Aphrodite, counselor at Camp Half-Blood, and close friend of Clarisse. Ethan Nakamura: A son of the minor goddess Nemesis, who originally aided the Titans against the gods, a supporting character from Book 4 on. Charles Beckendorf: A son of Hephaestus, counselor at Camp Half-Blood, and boyfriend of Silena. Travis and Connor Stoll: Sons of Hermes and campers at Camp Half-Blood. Other Mythological Beings Disney/David Bukach Grover Underwood: A satyr, Percy’s best friend and trusty sidekick, and a central character throughout the series. Portrayed by Aryan Simhadri in the show. Chiron: A centaur, the activities director at Camp Half-Blood, and Percy’s mentor. Portrayed by Glynn Turman in the show. Tyson: A Cyclops, the son of Poseidon, and Percy’s perpetually teenaged half-brother. Portrayed by Daniel Diemer in the show. Tantalus: An ancient Greek king punished by the gods with perpetual hunger and thirst, and a reluctant employee of Camp Half-Blood. Portrayed by Timothy Simons in the show. Atlas: The son of the Titan Iapetus (aka Bob the Titan, who appears in later series) and the father of Zoë Nightshade and the nymph Calypso. Portrayed by Holt McCallany in the show. Rachel Elizabeth Dare: The daughter of mortal parents, Rachel holds the unique ability to see through “the mist,” the gods’ force field that prevents them and their actions from being perceived by mortals. She's a supporting character from Book 3 on. Juniper: A dryad (tree nymph), Grover's girlfriend, and a supporting character in The Battle of the Labyrinth. Calypso: A nymph, the daughter of Atlas, half-sister of Zoë Nightshade, and a potential love interest for Percy. Breaking Down Which Greek Gods Appear in Percy Jackson And The Olympians—And When Name Title Status Demigod Children Appears In Portrayed By (Disney+ Series) Zeus God of Lightning Olympian Thalia Grace, Jason Grace Every book in the series and all three seasons of the show, in varying capacities. Lance Reddick (season 1), Courtney B. Vance (season 2 on) Poseidon God of the Sea Olympian Percy Jackson Every book in the series and all three seasons of the show. Toby Stephens Dionysus God of Wine, Parties, and Madness Head of Camp Half-Blood Castor and Pollux Every book in the series and all three seasons of the show. Jason Mantzoukas Ares God of War Olympian Clarisse La Rue The Lightning Thief, The Sea of Monsters, The Titan's Curse, and The Last Olympian, and all three seasons of the show. Adam Copeland Hermes Messenger of the Gods, God of Travelers Olympian Luke Castellan, Travis and Connor Stoll The Lightning Thief, The Sea of Monsters, The Titan's Curse, and The Last Olympian, and all three seasons of the show. Lin-Manuel Miranda Athena Goddess of Wisdom Olympian Annabeth Chase The Sea of Monsters, The Titan's Curse, and The Last Olympian, and seasons 2 and 3 of the show. Andra Day Hades God of the Underworld Ex-Olympian Nico and Bianca di Angelo The Lightning Thief and season 1 of the show. Jay Duplass Hephaestus God of Blacksmiths and Metallurgy Olympian Charles Beckendorf The Titan's Curse, The Battle of the Labyrinth, and The Last Olympian, and season 1 of the show. Timothy Omundson Aphrodite Goddess of Love and Beauty Olympian Silena Beauregard The Titan's Curse and The Last Olympian, and season 3 of the show. Kate McKinnon Apollo God of the Sun, Light, Music, Truth, and Healing Olympian Will Solace The Titan's Curse and The Last Olympian, and season 3 of the show. Hubert Smielecki Artemis Goddess of the Hunt Olympian None, but she mentors the Hunters of Artemis. The Titan's Curse and The Last Olympian, and season 3 of the show. Dafne Keen Demeter Goddess of the Harvest Olympian None (in the original series). The Titan's Curse and The Last Olympian, and season 3 of the show. Jennifer Beals Hera Queen of the Gods, Goddess of Marriage Olympian None. The Titan's Curse, The Battle of the Labyrinth, and The Last Olympian, and season 3 of the show. Ming-Na Wen Hestia Goddess of the Hearth Olympian None. The Lightning Thief and The Last Olympian. No one (yet). Persephone Goddess of Spring Queen of the Underworld None. None, but her story is relevant to The Lightning Thief and The Sea of Monsters. No one (yet). Percy Jackson's (Very Twisted) Family Tree Even with a visual aid, this family tree is winding, and it doesn't help that the gods not only reproduce with humans, but regularly intermarry with their siblings, uncles, and cousins. There is no entirely straightforward way to explain this family, but it breaks down into roughly four generations. Generation 1: Gaea and Ouranos Gaea is the creator of the Earth and, with her husband Ouranos, produced the Titans. She doesn’t appear directly in the Camp Half-Blood Chronicles until the second series, The Heroes of Olympus, but she’s the reason the gods—and by extension, the demigods—exist. Generation 2: The Titans The Titans serve two purposes in the Percy Jackson series. Two of them, Kronos and Rhea, are the parents of the original six Olympian gods. But they’re also the gods’ first opponents—the Olympians come to power by declaring war against the Titans (and winning). Several Titans, like Hyperion, later appear as villains in the series. Generation 3: The Original Olympians The first Olympian gods were the six children of Kronos and Rhea (who, yes, were also siblings): Hestia, Demeter, Hera, Hades, Poseidon, and Zeus. As the mythology goes, Kronos, who had already killed his own father, feared the cycle would come back around, and ate his first five children to prevent them from overthrowing him. Rhea eventually foiled his plan by hiding baby Zeus, who grew up in isolation and returned to prove his dad right. While the original Olympic tally was six, that number quickly dropped to five when Hades took over the Underworld. Generation 3.5: The Younger Olympians Aphrodite, Ares, Athena, Hephaestus, Hermes, and twins Apollo and Artemis are largely the children of Olympians, but they're also considered Olympians themselves, and they're the parents of several demigods. They—along with their godly half-siblings Dionysus and Persephone, who don’t reside on Olympus—fall between generations, not quite as old as Zeus, but much, much older than the campers at Camp Half-Blood. Thanks to Zeus, Olympus’ most prolific cheater, eight of these nine gods are half-siblings (Aphrodite has a separate, non-Olympian set of parents, at least in Riordan’s version). In true Olympian fashion, that fact doesn’t preclude them from intermarrying. Generation 4: Demigods As the name implies, demigods are half-deity: they’re the children of Greek gods and human lovers, typically raised by their human parents. This includes all of the campers at Camp Half-Blood. Demigods are especially powerful when they're the children of one of the "Big Three" Olympians: Zeus, Poseidon, and Hades. How Percy Jackson’s Family Tree Plays Into The Rest Of Rick Riordan’s Camp Half-Blood Chronicles Percy Jackson and the Olympians' first sequel series, The Heroes of Olympus, throws Camp Half-Blood's entire structure on its head—it’s set in the world of the Roman gods, at a parallel demigod camp called Camp Jupiter. For readers unfamiliar with Ancient Greek and Roman mythology, it helps to know the two cultures overlap almost entirely in their pantheons—there’s a Roman equivalent to Zeus (Jupiter), Poseidon (Neptune), Hades (Pluto), and so on. Riordan takes a pretty straightforward approach to this: he treats the two mythologies as parallel timelines, where overlapping gods are considered one being rather than two distinct characters. (For example: Clarisse La Rue from Camp Half-Blood is the daughter of Hades, while Frank Zhang from Camp Jupiter is the son of Mars. Because Ares and Mars are functionally the same character, Clarisse and Frank are half-siblings). In short, most of the characters in the subsequent three Camp Half-Blood Chronicles series are somehow related to those in the original Percy Jackson and the Olympians. Most Roman demigods are introduced in The Heroes of Olympus series, as it centers on seven campers from Half-Blood and Jupiter coming together to fulfill a prophecy that prevents Gaea from awakening. The Trials of Apollo and The Nico di Angelo Adventures largely maintain the same ensemble, though they introduce a few new campers to Camp Half-Blood. Character Name Series Camp Godly Parent Relationship to Percy Jackson characters Jason Grace The Heroes of Olympus Camp Jupiter Zeus (Roman name: Jupiter) He is the brother of Thalia Grace, sharing both parents, and one of the seven prophesied heroes. Leo Valdez The Heroes of Olympus Camp Half-Blood Hephaestus (Roman name: Vulcan) He is a camper at Camp Half-Blood, the half-brother of Charles Beckendorf through Hephaestus, and one of the seven prophesied heroes. Piper McLean The Heroes of Olympus Camp Half-Blood Aphrodite (Roman name: Venus) She is the half-sister of Silena Beauregard from Camp Half-Blood through Aphrodite, and one of the seven prophesied heroes. Hazel Levesque The Heroes of Olympus Camp Jupiter Hades (Roman name: Pluto) She is the half-sister of Nico and Bianca di Angelo through Hades and one of the seven prophesied heroes. Frank Zhang The Heroes of Olympus Camp Jupiter Ares (Roman name: Mars) He is the half-brother of Clarisse La Rue through Ares and one of the seven prophesied heroes. Reyna Ramírez-Arellano The Heroes of Olympus Camp Jupiter Bellona (Roman goddess of war) She is the leader of Camp Jupiter. Octavian The Heroes of Olympus Camp Jupiter Apollo (Roman name: still Apollo) He is a descendant of Apollo, making him a relative of Will Solace and Austin Lake from Camp Half-Blood. Meg McCaffrey The Trials of Apollo Camp Half-Blood Demeter (Roman name: Ceres) She is a camper at Camp Half-Blood and the half-sister of the goddess Persephone through Demeter. Billie Ng The Trials of Apollo Camp Half-Blood Demeter She is a camper at Camp Half-Blood and the half-sister of the goddess Persephone through Demeter. Austin Lake The Trials of Apollo Camp Half-Blood Apollo He is a camper at Camp Half-Blood and the half-brother of Will Solace. He's even briefly mentioned in The Last Olympian. Percy Jackson & the Olympians Release Date December 19, 2023 Network Disney+ Showrunner Jonathan E. Steinberg, Dan Shotz Directors James Bobin Cast Walker Scobell Percy Jackson Leah Sava Jeffries Annabeth Chase Based on the fantasy novel series by Rick Riordan, Percy Jackson & the Olympians is an action-adventure fantasy TV series created for Disney+. When Percy Jackson is framed for the theft of Zeus' almighty thunderbolt, Percy must clear his name, all while harnessing the powers inherited by his father Poseidon at a camp created for demi-gods.