This is kinda just based on what the gods represent. I'm also aware that they often encompass more than one thing, but I may focus on just one aspect anyway. Also I will list them all as gods/goddesses for the sake of simplicity
Asta - Alke, goddess of courage/battle strength
Charmy - Hestia, goddess of the hearth
Ciel - Selene, goddess of the moon
Damnatio - Themis, goddess of justice
Dorothy - Morpheus, god of dreams
Finral - Himeros, god of desire
Gaja - Astrape, goddess of lightning
Gordon - Ara, goddess of curses
Grey - Aidos, goddess of shame
Julius - Chronos, god of time
Kahono - Euterpe, goddess of lyric poetry
Kiato - Terpsichore, goddess of dance
Kirsch - Narcissus, NOT a deity but too fitting
Langris - Zelus, god of envy
Lily - Eusebeia, goddess of piety
Loyce - Hellios, god of the sun
Luck - Ares, god of war (focusing on the bloodlust aspect here)
Marx - Mnemosyne, goddess of memory
Mereoleona - Artemis, goddess of hunting/the wilderness
Mimosa - Demeter, goddess of agriculture
Nacht - Penthus, god of grief
Noelle - Poseidon, god of the sea
Owen - Asclepius, god of healing and medicine
Patry - Nemesis, goddess of retribution
Queen of witches - Hecate, goddess of magic and spells
Rades - Hades, god (ruler) of the dead
Rhya - Hypnos, god of sleep
Rill - Euphrosyne, goddess of joy
Sekke - Phobos, god of fear
Sol - Gaia, goddess of the earth
Vanessa - Heimarmene, goddess of fate
William - Eleos, goddess of compassion
Yami - Erebus, god of darkness
Yuno - Astraeus, god of the stars & father of the winds
tfym the ps4 bloodborne plat theme was "limited time while supplies last" why are we lying. I saw people getting it like 3 years ago (7 years past release)
