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Pennywise Actor Tells Conan How He Came Up With Creepy Smile For 'It'

It's just as terrifying without makeup.

09/13/2017 06:41 EDT | Updated 09/13/2017 07:55 EDT

Pennywise’s demonic smile in the box-office smash “It” actually has its roots in family fun.

Bill Skarsgård, who plays the terrifying clown in the horror remake, told Conan O’Brien on his show Tuesday that as a 10-year-old he was inspired by his older brother, who “had this ability... to point his lip in a very strange way.”

“For some reason, I don’t know how, I understood that I could do it as well,” the actor continued. 

To prove it he did this:

Eek!

Skarsgård said he would isolate the expression by pulling a T-shirt around his face, and then chase his petrified little brother. Nice.

Watch the segment above.

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