A monster that slithers down the chimney on Christmas Eve to disembowel children in their sleep and dine on their intestines. Sometimes it will stuff a child or two into a sack and save them later for a snack.
A monster that is basically Santa goes down your chimney, snatches naughty kids and puts them in a wiker basket which he then sends you to his castle hidden away somewhere in Germany where he keeps you as a prisoner and punishes you and whips you with a whip. he often jumps across houses not on Christmas eve but actually on December 5th as well as Saint Nikolas day.
Sally: What is a scary legend Germany came up with?
Gemma: Krampus
Sally: Oh Ok thanks Gemma: He see's you when your sleeping he knows when your awake he knows if youve been bad or good so be good for goodness sake