13 most completely batshit movie villains, from The Joker to Judge Doom

You can't have a batshit list without an iconic Batvillain. Ledger's Oscar-winning performance beats out Jack Nicholson and Jared Leto for its sheer unpredictability.

Booth might present as your average mob boss, but wait till his "baby" personality comes out to play. Worst play date ever.

When homespun perkiness gets carried away with a cockadoody sledgehammer.

Ermey's drill instructor reinforces our lily-livered pacifist tendencies like no one else. JUST! SO! SHOUTY!

Eye-poppingly insane. Literally.

We're still not clear on Selena's evil master plan, only that it involves rattles, cages, huge demon monsters and even huger hair. Utterly terrifying.

Played with all of Nic's trademark subtlety and reserve.

We know he's the embodiment of all your childhood fears, but how exactly that lollipop-gloved nutter ever lured a single child into his cage is anyone's guess.

The dungarees should have been a warning.

Two for the price of one! So memorable they brought him/them back for Star Wars: The Force Awakens.