If your beautiful wife, with a complicated past, asks you not to disturb her when she's taking a bath, you should take her seriously or risk her transforming into a dragon and flying away.
[European, mostly French, folklore]
Son of Loki, feared by the gods and bound by the dwarven-forged Gleipnir, with a sword in his mouth. This monstrous wolf, that took Tyr's betraying hand, is destined to break free at Ragnarok and kill Odin.
One Arabian interpretation of the this Iranian mythological figure, says that Zahhak, the son of an Arab ruler, was easily influenced by Ahriman (an evil spirit). After killing his own father and gorging himself on feasts, Zahhak granted Ahriman whatever he wanted - and what Ahriman wanted was to kiss Zahhak's shoulders. Snakes then sprang from where his lips had touched and they could not be removed. These snakes had to have a daily diet of human brains or they would turn on Zahhak himself. [Iranian mythology]
He's a small red man with suckers on his hands and feet and if you wake up from your nap, under the fig tree, a little shorter and a little redder than before - he's to blame.
[Australian Aboriginal folklore]
Floating down the river on his log, this green algae-covered old man looks a bit like a frog, a bit like a black scaled fish - don't get too close though, he might drag you into his underwater lair to be a slave or just outright drown you.
Tokoloshe Piss off the wrong person and they'll send one of these unpleasant gremlins after you. The only way to stay safe is to put your bed up on bricks... and don't let your toes hang off the end (or call the local witchdoctor). [Zulu folklore]
An innocent-seeming, hermity old woman by day, a vampiric ball of fire by night. The soucouyant removes her skin, places it in a mortar, and then flies though the night as a fireball, seeking it's sleeping prey. [Caribbean folklore]
the mountains of northern Spain a centenial weasel is born with yellow
eyes and green fur, a hoglike snout and long body. Their fur heals
sickness, and they can sniff out gold.
The appearance of a Qilin is a good omen, said to mark the arrival (or passing) of a prominent ruler. Their arrival brings good fortune or serenity, they walk in the clouds so as not to damage a single blade of grass, however they're also known for punishing the wicked. They're also often compared to mystical western Unicorns. [Chinese, Korean & Japanese mythology]
An ancient symbol of renewal, cyclical universes or rebirth. Ouroboros can be found in Egyptian, Greco-Roman, Medieval mythology. The image of a snake eating it's own tail can also be found in Norse and some South American tribal mythology, usually as a being encircling the world.
Legend has it that, to ensure Vessantara's wife could venture into the forest unmolested by those unable to control their lust, the god Indra created twelve trees that bore fruit in her image as decoys.
Kikimora A house spirit that typically lives behind the stove or in the cellar. When everything is dandy, she'll take care of your chickens, maybe do some housework, but when it's not she turns into your worst house guest. [Russian/Slavic folklore]
A giant snake with a horse-like head, living at the base of Howick Falls, South Africa. Severe summer storms are the result of the Inkanyamba's rage as it flies through the sky in thunderclouds.
Pity I never saw it while I was there.
Futakuchi-onna A cursed woman with an extra mouth at the back of her head. Always hungry, it screeches loudly and painfully until fed. After awhile the hair becomes sentient and feeds the mouth itself. [Japanese folklore]