Disclaimer: I am not Rick Riordan or George Lucas.

Here are the characters in this story:

Percy Jackson - Luke Skywalker (age 16), Jedi demigod and Grand Admiral of the Imperial Remnant

Annabeth Chase - Mara Jade (age 16), Jedi demigod

Jason Grace - Jacen Solo (age 16), Grand Admiral of the Imperial Remnant

Piper McLean - Danni Quee (age 15), Jedi demigod

Leo Valdez - Ben Skywalker (age 15), Jedi demigod

Hazel Levesque - Tahiri Veila (age 13), Imperial demigod

Frank Zhang - Jagged Fel (age 16), Imperial demigod and general

Reyna Ramirez-Arellano - Tenel Ka Djo (age 16), Grand Admiral of the Imperial Remnant

Nico di Angelo - Kyp Durron (age 14), prisoner

Octavian - Thrackan Sal-Solo (age 18), Imperial senator and seer

Gleeson Hedge - Booster Terrik (age 104), Jedi recruiter

Thanatos - Xanatos (immortal), god of death (mention only)

Aphrodite / Venus - Yun-Q'aah / Lwyll (immortal), goddess of love

Dakota - Wedge Antilles (age 17), Imperial demigod and general

Nemesis - Yun-Harla (immortal), goddess of revenge

Tyson - Lowbacca (age 16), general

Gaea - Abeloth (immortal), mastermind

Hera / Juno - Shira / Lumiya (immortal), Queen of Tython (mention only)

Poseidon / Neptune - Vader (immortal), King of Kamino (mention only)

Chiron - Yoda (immortal), director of the Jedi Praxeum

Thalia Grace - Jaina Solo (immortal), Witch of Dathomir (mention only)

Grover Underwood - Corran Horn (age 33), Lord of the Wild (mention only)

Hades / Pluto - Bogan / Vitiate (immortal), King of the Netherworld (mention only)

Zeus / Jupiter - Sekot / Zonama (immortal), King of Tython (mention only)

Ares / Mars - Yun-Yammka / Yammosk (immortal), god of war (mention only)

Bacchus "Mr. D" - Ulic "Master Q" (immortal), god of wine

Ella - Qwi Xux (age unknown), Omwati

Arachne - Lomi Plo (immortal), weaver

Sally Jackson - Shmi Skywalker (age 45), mother of Luke Skywalker (mention only)

Porphyrion - Shimrra (immortal), Supreme Overlord of the Yuuzhan Vong (mention only)

Mrs. O'Leary - Drang (immortal), vornskr

Lupa - Vergere (immortal), Imperial instructor (mention only)

Hylla Ramirez-Arellano - Teneniel Djo (age 21), Hapan Queen Mother (mention only)

Alcyoneus - Shedao Shai (immortal), Yuuzhan Vong (mention only)

Sam Valdez Senior - Anakin Solo (deceased), ancestor of Ben Skywalker

Polybotes - Tsavong Lah (immortal), Yuuzhan Vong (mention only)

Arion - Tikk (immortal), uvak

Chrysaor - Antinnis Tremayne (immortal), pirate

Festus - Falcon (age unknown), mechanical dragon

Marie Levesque - Cassa Veila (deceased), mother of Tahiri Veila (mention only)

Emily Zhang - Syal Fel (deceased), mother of Jagged Fel (mention only)

Blackjack - R2-D2 (age unknown), aiwha

Phorcys - Xendor (immortal), sea god

Terminus - C-3PO (immortal), guardian of Bastion

Tempest - World Brain (amortal), dhuryam

Keto - Arden Lyn (immortal), sea goddess

Esperanza Valdez - Leia Amidala Skywalker (deceased), mother of Ben Skywalker

Medusa - Garowyn (immortal), Dathomirian (mention only)

Kronos / Saturn - Palpatine / Sidious (immortal), Sith Emperor (mention only)

Echo - Lujayne Forge (deceased), Melodie

Otis - Kunra (immortal), Yuuzhan Vong

Narcissus - Bror Jace (deceased), prince

Buford - Fiver (age unknown), mechanical table

Athena / Minerva - Ashla / Taselda (immortal), goddess of wisdom and war

Apollo - Yavin (immortal), god of prophecy (mention only)

Heracles / Hercules - Anakin / Skywalker (immortal), god of heroes

Grandmother Zhang - Zena Antilles (age 77), grandmother of Jagged Fel (mention only)

Skolopendra "Shrimpzilla" - Exogorth "Space Slug" (immortal), sea monster

Argentum - Chromium (age unknown), mechanical vornskr

Aurum - Aurodium (age unknown), mechanical vornskr

Ephialtes - Shoon-mi Esh (immortal), Yuuzhan Vong

Mrs. Chase - Jade (age 50), stepmother of Mara Jade

Rhea Silvia - Mazicia Organa (immortal), mother of Bail and Prestor Organa

Aphros - Gial Ackbar (immortal), Mon Calamari

Hannibal - Tarkin (age unknown), bantha

Achelous - Rush Clovis (immortal), sea god

Bill - Kit Fisto (age unknown), Mon Calamari hero (mention only)

Tiberinus - Ravelin (immortal), god of the Ravelin River

Rufus - Uldir Lochett (deceased), student at Yavin Academy

Hagno - Zannah (immortal), Melodie

Bythos - Cha Niathal (immortal), Mon Calamari

Esther - Jira (age 72), Theed citizen

Tristan McLean - Face Loran (age 40), actor

Triton - Starkiller (immortal), Prince of Kamino (mention only)

Glaucus - Bant Eerin (immortal), Mon Calamari hero (mention only)

Weissmuller - Jesmin Ackbar (deceased), Mon Calamari hero (mention only)

Ceres - Pelekotan (immortal), goddess of fertility (mention only)

Bellona - Augwynne (immortal), goddess of war (mention only)

Megara - Naberrie (deceased), late wife of Lord Skywalker (indirect mention only)

Deianira - Padmé (deceased), late wife of Lord Skywalker (mention only)

Hebe - Aldera (immortal), goddess of youth (mention only)

Nessus - Darovit (deceased), Chironian (mention only)

Mithras - Darth Millennial (immortal), god of war (mention only)

Perseus - Skywalker (deceased), Jedi demigod (mention only)

Tartarus - Yun-Yuuzhan (immortal), god of the Maw (mention only)

Khione - Nen Yim (immortal), Je'daii traitor (mention only)

Rachel Dare - Gaeriel Captison (age 16), Jedi Prophet (mention only)

Clarisse La Rue - Saba Sebatyne (age 17), Jedi demigod (mention only)

Drew Tanaka - Erisi Dlarit (age 16), Jedi demigod (mention only)

Enceladus - Onimi (immortal), Yuuzhan Vong (indirect mention only)

Artemis / Diana - Dathomir / Allya (immortal), goddess of the hunt (mention only)

Hephaestus / Vulcan - Yun-Ne'Shel / Kwaad (immortal), god of fire (mention only)

Midas - Zsinj (deceased), king (mention only)

Thomas McLean - Garik Loran (deceased), grandfather of Danni Quee (mention only)

Connor Stoll - Davin Fel (age 18), Jedi demigod (mention only)

Frederick Chase - (Talon) Karrde Jade (age 50), father of Mara Jade (mention only)

Luke Castellan - Jacen (Solo) Caedus (deceased), Jedi martyr (mention only)

Ethan Nakamura - Soontir Fel (deceased), Jedi martyr (indirect mention only)

Locations:

Camp Jupiter - Imperial Remnant (New Rome - Bastion)

Camp Half-Blood - Jedi Praxeum (mention only)

Camp Fish-Blood - Mon Calamari

California - Outer Rim (San Francisco - Braxant sector)

Berkeley - Sartinaynian

The Underworld - The Netherworld of the Force

Tartarus - The Maw

Kansas - Ruusan (Topeka - Olmondo)

Georgia - Naboo (Atlanta - Theed)

Utah - Dantooine

Olympus - Tython (mention only)

New York - Coruscant (mention only)

Alaska - Hoth (mention only)

Charleston - Bakura

Vancouver - Nirauan (mention only)

Manhattan - Galactic City (mention only)

Wolf House - Baanu Rass (mention only)

Rome - Old Bastion (Tiber River - Ravelin River)

Pillars of Hercules - Tatooine

Argo II- Millennium Falcon

Species:

Human - Human (Mortal - Mundane)

Satyr - Corellian

Olympian - Je'daii

Gigantes - Yuuzhan Vong

Titan - Sith (mention only)

Centaur - Chironian

Cyclops - Wookiee

Hellhound - Vornskr

Pegasus - Aiwha

Earthborn - Rakghoul

Harpy - Omwati

Nymph - Melodie

Ichthyocentaur - Mon Calamari

Horse - Uvak

Automaton - Droid

Gorgon - Dathomirian (mention only)

Telekhine - Noghri

Amazon - Hapan (mention only)

Lar - Force spirit

Hippocampus - Varactyl

Karpoi - Ewok (mention only)

Spider - Arachne

Anemoi thuelae / Ventus - Pazhkic Yuuzhan'tar al'tirrna / Dhuryam

Merpeople - Kaminoan

Stymphalian - Hawk-bat

Eidolon - Vagaari

Protogenoi - Celestials