Tradition: Japanese Mythology
Alternative Names: Kororijū, Cholera Beast, Tiger-Wolf-Tanuki
Category: Marten
The Myth
The Korōri is a monstrous creature said to have spread cholera during the epidemics that devastated Japan in the late Edo and early Meiji periods. It is a chimera composed of three animals reflected in its name: a tiger, a wolf, and a tanuki, or Japanese raccoon dog. It generally resembles a tanuki, but its body bears tiger-like stripes and its face has the ferocious jaws of a wolf. The creature was associated with infected homes, where it supposedly brought the deadly disease to the people living inside.
Korōri were said to lurk around houses afflicted by cholera, sometimes fleeing after the inhabitants recovered. Those who died from the illness were believed to attract the creatures, which were reportedly seen feeding on their corpses. During the cholera outbreak of 1862, sightings allegedly became increasingly common. One story tells of a recovering samurai who spotted a strange, weasel-like beast near his home and beat it to death with a piece of firewood. He then roasted and ate the animal, while other families in the area subsequently reported similar creatures lurking around their infected homes. Some accounts even claimed that Korōri emerged from the bodies of cholera victims.
The creature arose from the terror surrounding cholera, an illness whose invisible cause was not understood by most people at the time. The Japanese word korori was used for the disease, and one way of writing it combined the characters for tiger, wolf, and tanuki. This spelling inspired the imagined beast, turning the fear of a devastating epidemic into a visible monster. An 1877 newspaper account explicitly described Korōri as an imaginary representation of the disease’s horrors rather than a real animal. In this sense, the creature embodied the dread of cholera itself.
Sources
“Korōri.” Yokai.com. https://yokai.com/korouri/