You need to check out Stitches, one of the best horror comedy clown movies ever. Stitches was a foul mouth letch, but when he dies and comes back to life–LOOK OUT. Best scene: Stitches makes balloon animals out of human intestine! Another good one is the Spanish film The Last Circus: A sad clown turns to the dark side, becoming a heavily armed mayhem machine. My other favorite clown of late, and the creepiest character I’ve seen in ages, is Twisty from AHS Freak Show.
Clowns are much scarier than zombies or vampires or ghosts, because clowns are real. & they get all up in your face & won’t just leave you alone and allow you to lurk quietly on the margins of your friend’s birthday party…