The Monsters' True Nature: The night monsters were originally human settlers who sacrificed their own children centuries ago to an ancient entity in exchange for eternal life. They were transformed into immortal, hollow, flesh-eating vampires who roam the dark.
"Anghkooey" & The Sacrificed Children: The eerie ghastly children haunting Tabitha are the spirits of the sacrificed children. The word "Anghkooey" is an ancient word meaning "Remember." They urge Tabitha and Jade to remember their past lives and release their trapped souls.
Reincarnation and the Loop: Tabitha and Jade are reincarnations of original townspeople tied to the initial sacrifice. Their souls are repeatedly pulled back into Fromville across centuries until they can break the cosmic loop.
Fatima's Pregnancy Payoff: Fatima's unnatural pregnancy yields a horrifying culmination: she gives birth not to a human child, but to the reborn "Smiley" monster, revealing how slain creatures regenerate back into the town.
The Man in Yellow & Jim's Death: The sinister voice on the radio belongs to the Man in the Yellow Suit, a high-ranking entity controlling Fromville. In the Season 3 finale, he murders Jim Matthews, enforcing his law that "Knowledge comes with a cost" to punish them for discovering the children's bones.