What's lurking in the fog?

Giant tentacled monsters from another dimension.

I misread this as "what's lurking in the frog?"

So, harking back to dissecting a frog and cutting open its stomach in high school biology class, I will answer, " A dead fly."

A frog or maybe a dog sitting on a log next to the bog

Your shadow self....🤐

Feral cat waiting to be fed.

A rainbow. How confusing

Fog lurkers. "Lurk, Lurk, Lurk!"

Peeping Tom's, looking to see you in your bedroom.

Strange men from Wales with their sheep.🐑

Jack the ripper

Werewolves of London

nightmares

Batman