Warning: Some spoilers may be unmarked.
- Major Characters
- Kratos
- Kratos's Familynote Callisto, Deimos, Lysandra, Calliope, Atreus, Faye
- Major Supporting Charactersnote Athena, Orkos, Pandora, Mimir, Freya, Angrboða, Brok, Sindri, Freyr's Resistance
- Main Antagonistsnote Zeus, Ares, Persephone, Thanatos, The Furies, Thor, Baldur
- Greek Era
- Olympians note Poseidon, Hades, Helios, Hermes, Artemis, Apollo, Aphrodite, Hephaestus, Hera, Persephone, Morpheus, Eos, Thanatos, Erinys
- Titans note Gaia, Atlas, Cronos, Prometheus, Typhon, Rhea, Epimetheus, Hyperion, Perses, Oceanus, Thera
- Mythology's Heroes note Hercules, Theseus, Perseus, Castor & Pollux, Peirithous, Jason, Achilles, Odysseus, Orion
- Other Beings note Lahkesis, Atropos, Clotho, Charon, The Body Burner, Aegaeon, the Colossus of Rhodes, Pegasus
- Normal Humans note Aletheia, Alrik, Aphrodite's handmaidens, Boat Captain, Daedalus, Icarus, the Dissenter, King Midas, the Last Spartan, Leda and Persephone, the Oracle of Athens, Village Oracle, Palace Translators, Pathos Verdes III, Persian King, Poseidon's princess, Zora and Lora
- Characters from Comic Books note Giant Arachnid, Herodius, Pothia, Captain Nikos, Danaus, Cereyon, Gyges
- Norse Era
- Aesir/Vanir note Týr, Heimdall, Magni and Móði, Ullr, Vili and Vé, Bragi, Iðunn, Sif, Thrúd, Forseti, Ingrid, Njörd, Nerthus
- Jötnar note Ymir, Surtr, Bergelmir, Thrym, Thamur, Hrimthur, Starkaðr, Hrungnir, Thiazi, Skaði, Fjörgyn, Gróa, Aurvandil, Laufey, Grýla, Sinmara, Loki
- Other Characters note Andvari, Mótsognir, Fafnir, Ivaldi, Light and Dark Elves, Svartáljǫfurr, Alva, Gullveig, Cannibals, Wayward Spirits, Bitter Squirrel, Ratatoskr, Yggdrasil, Durlin, Ræb, Skjöldr, the Norns (Urð, Verðandi, and Skuld), Berserkers, the Lady of the Forge, Huginn and Muninn, Raiders, Valkyries, Sigrún, Hrist and Mist, Gná
- Monsters