33 suggestions for "mythical-creature"
Abbey lubberMinor devil tasked with tempting monks into corrupt and lascivious behaviour.
AstomiMythological race of people without mouths, who survived by inhaling air and scents through their nostrils.
BansheeFemale spirit in Irish and Scottish folklore whose wailing voice is heard before the death of a member of the family to which she is attached.
BluecapBrownie or spirit who worked in the mines of Northern England pushing wagons out of the mines, usually appearing as a blue light.
Blue men of the MinchMythological creatures who seek out sailors to drown and stricken boats to sink.
BodachMythical creature in Scottish Gaelic and Irish folklore, invoked as a nursery bogey to frighten children into good behaviour.
BonnaconMythical beast with a bull's head and a horse's body, able to expel large amounts of caustic excreta from its it anus.
BoobrieShapeshifting entity of the lochs of the west coast of Scotland
CailleachAncient Celtic hag goddess who in her various guises shaped the land, controlled the forces of nature, and was responsible for the harsh nature of winter.
Cat SithFairy cat of the Highlands of Scotland, black and as large as a dog.
Church grimSpirit that protects graveyards from witches and the Devil, usually appearing as a black dog.
CockatriceMythical heraldic beast hatched from a rooster's egg hatched by a toad, said to be able to kill with its stare.
DunterSpirits also known as powries, said to haunt the peel towers and castles of the Scottish border with England.
FachanMonstrous creature of the Scottish Highlands.
FatlipsSpirit said to inhabit the ruins of Dryburgh Abbey in Berwickshire. Scotland.
FetchApparition in the form of a double of a living person, often a portent of death.
GruagachType of brownie in Irish and Scottish Gaelic folklore, whose role is to protect the cattle in return for a share of the milk they produce.
IncubusDemon in male form that seeks to have sexual intercourse with a sleeping woman.
Ly ErgFairy from Scottish folklore that dresses as a soldier, challenging passersby to fight. But anyone who takes up the challenge will die, win or lose.
MaroolMalevolent Shetland monster in the form of a large fish.
Mermaid of ZennorMermaid who enticed a chorister from the local parish church to live with her in the sea.
MyrmecoleonUsually considered to be a mythical creature of legend, it has also been identified as a rock hyrax.
NuckelaveeHorse-like demon from Orcadian mythology that shares some of the characteristics of humans.
NuggleMythical water horse of mainly Shetland folklore where it was also referred to as a shoepultie or shoopiltee in some areas of the islands
Nursery bogeyImaginary being invoked by adults to scare children away from dangerous places or frighten them into good behaviour.
RedcapEvil fairies said to live in the peel towers and castles of the Scottish border with England.
Sea MitherMythical being of Orcadian folklore that lives in the sea during summer; also known as Mither of the Sea.
SooterkinImaginary kind of afterbirth in the form of an "evil-looking little animal" especially attributed to Dutch women.
Stoor wormGigantic evil sea serpent of Orcadian folklore, capable of contaminating plants and destroying animals and humans with its putrid breath.
Undine Undines (or ondines) are a category of imaginary elemental beings associated with water, first named in the alchemical writings of Paracelsus. Similar creatures are found in classical literature, particularly Ovid's
Metamorphoses.
Water bullAlso known as tarbh uisge in Scottish Gaelic, a mythological Scottish creature similar to the Manx tarroo ushtey.
WulverFairy being, part of the folklore of the Shetland Islands off the coast of Scotland, a type of werewolf, half man, half wolf.
Yale (mythical creature)Heraldic beast whose meaning is "proud defence". Although it has never been identified with a living or extinct creature, it may be based on descriptions of Indian water buffalos.
Undines (or ondines) are a category of imaginary elemental beings associated with water, first named in the alchemical writings of Paracelsus. Similar creatures are found in classical literature, particularly Ovid’s Metamorphoses. 
Ancient Celtic hag goddess who in her various guises shaped the land, controlled the forces of nature, and was responsible for the harsh nature of winter. 
Usually considered to be a mythical creature of legend, it has also been identified as a rock hyrax. 
Fairy being, part of the folklore of the Shetland Islands off the coast of Scotland, a type of werewolf, half man, half wolf.
Shapeshifting entity of the lochs of the west coast of Scotland
Mythical being of Orcadian folklore that lives in the sea during summer; also known as Mither of the Sea.
Mythological creatures who seek out sailors to drown and stricken boats to sink. 
Horse-like demon from Orcadian mythology that shares some of the characteristics of humans.
Mythological creature with an upper body in the form of an armed knight, fused with the tail of a fish.
