Disclaimer: I am not Rick Riordan or George Lucas.

Here are the characters in this story:

Percy "Seaweed Brain" Jackson - Luke "Farmboy" Skywalker (age 15), Jedi demigod

Annabeth Chase - Mara Jade (age 15), Jedi demigod

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

Nico di Angelo - Kyp Durron (age 11), Jedi demigod

Clarisse La Rue - Saba Sebatyne (age 16), Jedi demigod

Charles Beckondorf - Ganner Rhysode (age 18), Jedi demigod

Silena Beauregard - Seha Dorvald (age 18), Jedi demigod

Persephone - Githany (immortal), Queen of the Netherworld

Hades - Bogan (immortal), King of the Netherworld

Iapetus - Darth Revan (immortal), Sith Lord

Ethan Nakamura - Soontir Fel (age 15), Sith minion

Melinoe - Darth Vectivus (immortal), god of ghosts

Deimos - Darth Nihilus (immortal), god of terror

Phobos - Darth Phobos (immortal), god of fear

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

Kronos - Palpatine (immortal), Sith Emperor (mention only)

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

Hermes - Yun-Shuno (immortal), god of thieves (mention only)

Demeter - Anima (immortal), goddess of fertility (mention only)

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

Dionysus "Mr. D" - Qel-Droma "Master Q" (immortal), director of the Jedi Praxeum (mention only)

Chiron - Yoda (immortal), Jedi instructor (mention only)

Sally Jackson - Shmi Skywalker (age 43), mother of Luke Skywalker (mention only)

Luke Castellan - Jacen (Solo) Caedus (age 22), Sith Emperor (mention only)

Atlas - Dooku (immortal), Sith Lord (mention only)

Paul Blofis - Ben Kenobi (age 43), teacher (mention only)

Travis Stoll - Chak Fel (age 15), Jedi demigod

Connor Stoll - Davin Fel (age 16), Jedi demigod

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

Michael Yew - Tekli (age 15), Jedi demigod (mention only)

Peleus - Rancor (immortal), guardian of the Healing Crystals of Fire

Athena - Ashla (immortal), goddess of wisdom and war (mention only)

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

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

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

Aphrodite - Yun-Q'aah (immortal), goddess of love (mention only)

Bianca di Angelo - Ahsoka (Tano) Durron (deceased), Witch of Dathomir (mention only)

Grover Underwood - Corran Horn (age 31), Corellian searcher

Malcolm Pace - Kyle Katarn (age 15), Jedi demigod

Juniper - Mirax (age unknown), Melodie (mention only)

Boring - Ebenn Q3 Baobab (age 45), linguistics instructor

Sisyphus - Cornelius Evazan (deceased), enemy of the Je'daii

Bronze Dragon - Millennium Falcon (age unknown), mechanical dragon

Alecto - Asajj (immortal), Nightsister

Megaera - Gethzerion (immortal), Nightsister

Tisiphone - Talia (immortal), Nightsister

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

White - Mander Zuma (age 43), history instructor

Mark - Tesar Sebatyne (age 15), Jedi demigod (mention only)

Sherman Yang - Bela Hara (age 14), Jedi demigod (mention only)

Maria di Angelo - Vima (-Da-Boda) Durron (deceased), mother of Kyp Durron (mention only)

Beryl Grace - Tiion Solo (deceased), mother of Jacen and Jaina Solo (mention only)

Frederic Bartholdi - Ob Khaddor (deceased), Jedi demigod (mention only)

Locations:

Camp Half-Blood - Jedi Praxeum (Big House - Jedi Temple)

The Underworld - The Netherworld of the Force

Fields of Punishment - Chaos

Elysium - Alderaan

Isles of Blest - Zonama Sekot

Olympus - Tython (mention only)

New York - Coruscant (Long Island - Centax)

Goode High School - Ossus Academy

Staten Island - Vandor-3

Manhattan - Galactic City

New Orleans - Deyer (mention only)

Species:

Human - Human (Mortal - Mundane)

Satyr - Corellian

Olympian - Je'daii

Titan - Sith

Centaur - Chironian (mention only)

Keres - Droch

Myrmeke - Killik

Dryad - Melodie

Hunters of Artemis - Witches of Dathomir

Hellhound - Vornskr

Automaton - Droid

Stymphalian - Hawk-bat

Fire-breathing horse - Fire Breather