Percy Jackson & the Olympians
Warning : spoilers ahead for Percy Jackson & The Olympians
Summary
The independent plot line ofPercy Jackson & the Olympiansseason 1 centers around the fact that Percy is a out child of Poseidon , butthe Disney+ show never discusses the rest of the Greek god ’s children . It ’s due to thePact of the Big Three — the vow that Zeus , Poseidon , and Hades wo n’t have more demigod nipper — that Percy is accused of stealingZeus ' Lightning Bolt . This is also the reason Zeus threatens to declare war if it is n’t returned to him , mail Camp Half - Blood into a desperate charge to find and return his artillery .
Even after Zeus ' threat , Poseidon does n’t do much to protect Percy from the other Olympian god ’s anger . This seems to be par for the course when it add up to demigod youngster , andDisney’sPercy Jacksonshow masterfully continuesthe criticism of the immortal ' neglect when it comes to their mortal offspring . Percy is the first nestling of Poseidon to be claim in a farseeing time , but that does n’t make him any less susceptible to his Father of the Church ’s neglect . And there ’s a good reason the show does n’t talk over any of Poseidon ’s other child when Percy arrives at Camp Half - Blood .
Percy Jackson & the Olympiansis streaming on Disney+ .

Poseidon’s Non-Forbidden Children Would Be Elderly In Percy Jackson’s Timeline
The Pact Of The Big Three Goes Back To The 1940s
Part of the reasonPercy Jackson & the Olympiansdoesn’t reference other offspring of Poseidon is becauseall the god ’s non - forbidden children would be elderly in the Disney show ’s timeline . The Pact of the Big Three conk out back to the end of World War II , with Zeus , Poseidon , and Aidoneus agree that their demigod kid were becoming too powerful in the 1940s . However , something else happened to engender their understanding : the Oracle of Delphipredicted a nipper of the Big Three would either save or destroy Olympus . Fearing the latter , the troika decided not to have any more demigod children — though two of the three gods broke this vow .
This Great Prophecy has n’t been referenced in Disney’sPercy Jacksonshow just yet , but it ’s likely to hail up as it continues . The late books dig into it a bit , especially as other forbid children emerge . But as the Big Three limit their procreation after puddle their pact , Percy does n’t have a cabin full of brothers and sis at Camp Half - line of descent . The majority of Poseidon ’s other offspring were born before the 1940s , meaningthey’d be much older than Percy , whose story takes place in the 2000s .
Poseidon Does Have Another Forbidden Son Other Than Percy Jackson
Tyson Will Likely Appear In Percy Jackson Season 2
Although most of Percy ’s brothers and sisters would be senior or asleep inPercy Jackson & the Olympians’timeline , there is another forbidden Word of Poseidon who show up in Riordan ’s story . ThesecondPercy Jacksonbook , The Sea of Monsters , introduces Percy ’s half - brother , Tyson . Tyson is n’t a daemon , which is why he does n’t attract as much despite as Percy . Instead , Tyson is a water flea who was born of the relationship between Poseidon and a nymph . Tyson is homeless when he meet Percy , but he later moves into Poseidon ’s cabin at Camp Half - Blood with him .
Tyson appear in thePercy Jacksonmovies , and it ’s likely he ’ll make his entering inPercy Jackson & the Olympiansseason 2 . He ’s a comparatively significant part of Percy ’s floor , and he ’s another example of a child neglected by their Olympian god parent . Being a water flea may present a challenge for thePercy Jacksonseries to bring Tyson to life . However , he ’ll give Percy a sibling to entrust in — and he ’ll be one of several forbidden kid to crop up after Percy ’s arrival at cantonment .
Poseidon’s Mortal & Immortal Children In Greek Mythology Explained
The Sea God Has Many Children In Greek Mythology
Thanks to the Pact of the Big Three , Poseidon ’s children are comfortable to keep track of duringPercy Jackson ’s timeline . However , the Olympian god has far more offspring in Hellenic mythology , some of whom exist in Riordan ’s world , though they ’re either immortal or born long before Percy . Many of Poseidon ’s nipper in Grecian mythology are mortals , just like in Riordan ’s playscript . Some of Poseidon ’s most well - known deadly offspring admit Theseus , Neleus , Atlas , and Agenor ( viaTheoi Greek Mythology ) . The ocean god also has kid with nymphs and goliath , which is likely where the stirring for Tyson ’s case comes from .
Per Greek mythos , Poseidon also has immortal nestling who run as less God . Some of these exist in thePercy Jacksonuniverse even if they do n’t play large roles in Riordan ’s story , let in the fishtailed Triton ( viaFandom.com ) . Other immortal nipper from Greek mythology include Aeolus , Asopus , and Telchines . In some myth , Athena is also the girl of Poseidon , though others dub Zeus her father . Athena does n’t seem to be Poseidon ’s child inPercy Jackson & the Olympians , which clearly take its own glide path to the Olympian gods and their materialization .
Source : Theoi Greek Mythology , Fandom.com

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