Cool mythology! Feast your eyes (and brains!)
Minor Deities and Monsters - LINK
The Labours of Heracles - LINK
Big Daddy Cronus - LINK
Naiads, River-Specific Nymphs - LINK
Scylla - LINK
Reddit threads about the Keres - LINK
Charon's Obols - LINK
Nyx, Goddess of Night, Charon's Mum - LINK
Hades, Like, The Place - LINK