David Giuntoli David Giuntoli

"Biggish eyes, snouty-ish, brutish, Neanderthal-esque and basically a jerkwad."

No, Rosalee (Bree Turner) isn't describing her ex, but the newest Wesen that's plaguing our heroes on Grimm this Friday (9/8c, NBC).
PHOTOS: TV characters who were supposed to die

The supernatural series delves into the story of El Cucuy, a mythical ghost-monster that's the Latin American equivalent of the bogeyman. These tales were used to scare disobedient children, who are apparently El Cucuy's favorite snack. Grimm will put a twist on this myth with a vigilante that has been terrorizing Portland. Check out this exclusive sneak peek to hear Nick (David Giuntoli) and his friends discuss their latest monster:

Ah, Wesen humor!

airs Fridays at 9/8c on NBC.