They grin. Audiences bear it.
Movie villains have been smiling diabolically for ages, but their frowns turned upside down never cease to give us the willies.
In the video "When the Evil Smiles" posted by Semih Okmn, watch baddies from Hannibal Lecter to the Joker to Lord Voldemort put on a happy face.
Yep, still creepy.
H/T Design Taxi
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