Darlene (Gravity Falls)

Darlene is a supernatural spider disguised as a human who lures men that visit her tourist attraction called Mystery Mountain and traps them in cocoons and eats them.

History
She's introduced pretending to be charmed by Stanley Pines's flirting tactics, and go up to Myserty Mountain together. Where after reaching a cave she shows her true form to him and traps him in a cocoon planning to eat him like she did so many other men. However in the end, Mabel, Dipper, Candy and Grenda manage to save him and leave her stuck under a boot which gives her no harm, at the end she makes it clear that as long as there are men like Stan she will get out and never be stopped.