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Caladrius: A white bird with healing abilities.

Catoblepas: The catoblepas is a legendary creature from Ethiopia. Its head is always pointing downwards, hence its name which means "to look downwards" in Greek. The creature is said to have the head of a hog and the body of a buffalo with scales on its back. Its stare or breath could either turn people into stone, or kill them.

Cait Sith: A huge black cat being as large as a dog, with a white spot on its breast, with an arched back and erect bristles. Just like a real cat, Cait Sith could be ferocious if stumbled upon.

Camblion

Human/demon hybrid offspring’s.

 Caipora: A brazilin shape shifting nature spirit trickster. He can appear as a small Indian man with long dark hair or an anthropomorphic looking fox. They enjoy confusing hunters when they get lost or don’t respect the laws of nature.   

Calygreyhound: A creature with the head of a wildcat, the torso of an antelope, the claws of an eagle on the front, the hind legs of a lion and the tail of a lion. 

Canaima: Were-jaguar

Calydonian Boar: A monstrous boar with razor shaped tusks that can pierce though any steel and

Centaurs In Greek Mythology, the centaurs are a race of mythical creatures that are half human and half horse. They are depicted as the head and torso of a man with his waist joined to the horse's withers, where the horse's neck would be.

Cretan Bull: A fire breathing bull

Ceryneian Hind: A deer with golden antlers that is considered to be a sacred animal and fast runner. Considered to be a sacred animal to the goddess Airtimes

Changeling: Sometimes, faeries would steal infants and replace them with a changeling.  

Chupacabra: The chupacabra is a legendary cryptid rumored to inhabit parts of South America. The name comes from the animal's reported habit of attacking and drinking the blood of livestock, especially goats. It is supposedly a heavy creature, the size of a small bear, with a row of spines reaching from the neck to the base of the tail.

Chrun Milk Meg and Melch Dick: A gnome couple that guards over unripened nuts and fruits, and will pinch anyone who would dare pick their nuts. They despise laziness and enjoy practical jokes.  

 Chaneque: Small goblin-like nature spirits of Aztec mythology. They would frighten away mortals that intrude their forest.

Chinese Dragon: The Chinese dragon is easily recognizable for its long serpentine body that is generally wingless, the horns of a deer, the scales of carp, lion's mane, the talons of an eagle and the face of crocodile, complete with beard. Unlike the traditional European Dragon, they are considered to be a  symbol of heavenly power, bringing rain and good fortune.

Chochinobake: The paper lantern monster has the ability to float about by carrying itself down lonely paths to lead mortals astray. It may also start fires to damage homes and property. The chochinobake also has the ability to collapse itself and suddenly pop up to surprise the unwary human.

Chrysomallus: 

A ram with golden hairs and horns.

Cherufe: 

A monstrous volcano dwelling humanoid, know to cause eruptions. In order to satisfy this beast, a sacrifice must be made.

Clurichauns: A close relative of the leprechauns, they inhabit the wine cellars and drink a lot.

Crunaeae: Fountain nymphs

Curupira: The Curupira is a male supernatural being who guards the forest in Tupi mythology of Brazil. 

He usually takes the form of a boy with (literally) flaming hair and green teeth. His most startling characteristic, however, is that his feet are turned to face backwards.

Cu Sith: An enormous fairy hound of the Scottish Highlands. Roughly the size of a cow or large calf, the Cu Sìth was said to be dark green in color with shaggy fur and a long braided or curled tail and glowing or flaming eyes.

Cwn Annwn: Spectral hounds with whitish hair, with red tipped ears. They possess great speed and are great hunting dogs for faerie hunts.

Cyclops: A race of one-eyed giants from the Greek legends.  They are experts on metalsmiting.