9 Of The Most Terrifying Christmas Traditions From Around The World

Published December 21, 2022
Updated December 13, 2024

Jólakötturinn, or The Yule Cat, An Icelandic Monster That Eats Children

Don’t let the name Yule Cat fool you — this Icelandic creature of folklore is nothing like a kitten you would welcome to your home. For starters, it wouldn’t even fit.

According to Smithsonian Magazine, the legend of the Yule Cat, or Jólakötturinn, is a creature that towers over forests and homes, prowling about Iceland on Christmas night in search of bad children to devour.

Yule Cat Illustration

Hugleikur Dagsson/FacebookThe Yule Cat is a giant cat that belongs to another Icelandic legend, Gryla, a giantess who also enjoys eating children.

How does it know which children are bad, though? Unlike the omniscience attributed to Santa, the Yule Cat’s judgment comes down to a single, simple test: If a child has received new clothing for Christmas, they have been good. If they haven’t, they are bad – and fair game to be eaten.

It may seem like a strange test, but in Icelandic tradition, children who completed their chores before Christmas were often rewarded with new clothing. Following that logic, it stands to reason that children who didn’t receive new clothes didn’t complete their chores, meaning they were disobedient and deserved punishment.

And if the threat of the Yule Cat weren’t enough, it’s not the only hungry, child-eating monster that lurks in the Icelandic wilderness around Christmastime.

The Yule Cat’s owner, the monstrous giantess Gryla, has an equally twisted appetite — and her 13 ghoulish sons, the Yule Lads, are always close at hand.

author
Austin Harvey
author
A staff writer for All That's Interesting since 2022, Austin Harvey has also had work published with Discover Magazine, Giddy, and Lucid, covering topics including history, and sociology. He has published more than 1,000 pieces, largely covering modern history and archaeology. He is a co-host of the History Uncovered podcast as well as a co-host and founder of the Conspiracy Realists podcast. He holds a Bachelor's degree from Point Park University. He is based in Pittsburgh, Pennsylvania.
editor
John Kuroski
editor
Based in Brooklyn, New York, John Kuroski is the editorial director of All That's Interesting. He graduated from New York University with a degree in history, earning a place in the Phi Alpha Theta honor society for history students. An editor at All That's Interesting since 2015, his areas of expertise include modern American history and the ancient Near East. In an editing career spanning 17 years, he previously served as managing editor of Elmore Magazine in New York City for seven years.
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Harvey, Austin. "9 Of The Most Terrifying Christmas Traditions From Around The World." AllThatsInteresting.com, December 21, 2022, https://allthatsinteresting.com/christmas-legends. Accessed August 2, 2025.