Mythology

Mythology was a form of story-telling used by many races in the universe.

The Doctor had a keen knowledge of mythology which he justified by its relation to fact. (TV: Mummy on the Orient Express)

Human mythology
The depiction of the horned figure of the Beast entered Earth's myths and legends. (TV: The Satan Pit)

The Fendahl, in order to be brought back into existence, planted itself in many of the myths of the human race, influencing them throughout history. (TV: Image of the Fendahl)

Because of the existence of Vashta Nerada, early humans developed an irrational fear of going out into the dark. (TV: Silence in the Library/Forest of the Dead)

Greek mythology contained hidden predictions of the future, specifically about the existence of the Minyan race and the Minotaurs. For example, Jason in his search for the Golden Fleece represented Jackson in his search for P7E. (TV: Underworld, The Creature from the Pit)

A British legend arose about the return of King Arthur through his servant Merlin. This turned out to be a prophecy of events which took place in the 1990s in a struggle between the Seventh Doctor and Morgaine. (TV: Battlefield)

The Vikings believed in the wolves of Fenric, which would attack the tree Yggdrasil. It was after these creatures that the evil spirit Fenric was named. (TV: The Curse of Fenric)

The Source was thought by the humans on Messaline to be the source of all life. The Tenth Doctor and Donna referred to this story as a myth. (TV: The Doctor's Daughter)

Goibhnie created the world of Tír na n-Óg and populated it with humans and creatures from human mythologies as a sociological experiment. (PROSE: Cat's Cradle: Witch Mark)

Kaled mythology
The image of the Beast also entered Kaled mythology as their god of war. (TV: The Satan Pit)

There was a myth that Kaleds were the only species in the universe, contributing to their xenophobia. (TV: Genesis of the Daleks)

Other mythologies
As well as the mythologies of Earth and the Kaleds, the horned depiction of the Beast entered those of "a million worlds", including Draconia, Vel Consadine and Dæmos. (TV: The Satan Pit)