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Rakshasas: Shape shifting demons from Hindu mythology. They are enemies to the gods. 

Rainbown Sperpent: A serpant deitiy primarily worisphied in Aboriginal culture . It is named for the obvious identification between the shape of a rainbow and the shape of a snake. The snake and rainbow share a link between the cycle of the seasons and the importance of water in human life.

Raiju: A ligthening elmental spirit that takes the form of a white and blue wolf. The beast is usualy calm, but when angerned during lighting storms they leap through trees and buildings. 

Raven: The tricker spirit of Native American legends in the Pacific Northwest. He is very cunning and wise, and was the benifactor to the human race. One legend says that he stole the ball of light from the Sky Chief that became the sun, moon and, stars.

Red Cap: The Red Cap, is a vicious goblin with a leathery body and little or no hair, carries a sharp wooden scythe to strike down all who invade the area he has decided to guard for the time being. Solitary and hateful in nature, we can all be grateful there is only one of him. They haunt the ruins of old castles and cairns. The Red Cap he wears, and for which he was named, is said to be made of dried human blood. Some say he is a cannibal who will consume faeries and humans alike.

Roc: A roc is a mythical bird, often white, of enormous size and strength that is reputed to have been able to carry off and eat elephants.

Rokuro-kubi : This long neck yokai is often female and unaware of their own supernatural ability to stretch out their necks in a serpent-like fashion at night. They may learn of this unusual ability through dreams of seeing their bedroom from odd angles while they are sleeping. Once the gain knowledge of their power it becomes impossible for them to resist from using it to spy on or frighten people. 

Rusalka: Slavic female water spirits that lures it's victims in the water with the use of their siren song.