The Sidhe were a species native to Earth.

Biology Edit

Although the Sidhe were native to Earth, they lived out of phase with human perception. The Sidhe existed in, and were able to perceive, all eleven dimensions. They could appear humanoid to human perceptions, with vaguely cat-like features with wide cheekbones, a pointed chin, pointed ears, and a flattened skull.

The Sidhe could make humans vanish into their realm. They were essentially immortal, and could move through time. They were vulnerable to iron, due to their electromagnetism-based lifestyle. (PROSE: Autumn Mist)

Culture Edit

The Sidhe had various tribes and clans, including the Leannain Sidhe. The Leannain Sidhe called the Doctor the "Evergreen Man". They pay homage to the forces of order and chaos, with their queen Titania, personifying order and Oberon personifying chaos. (PROSE: Autumn Mist)

History Edit

The Sidhe inspired the Leshy of Polish folklore, the Kachinas of Hopi mythology, elves and fairies among other mythical beings. The Sidhe formed a truce with mankind long ago, after Sidhe and humans fought a war against each other. The Sidhe were aware of the Celestis.

A dimensional tear caused by Nazi experiments threatened the Sidhe's realm, causing them to fight back. (PROSE: Autumn Mist)

The Seventh Doctor said that the Sidhe were responsible for many of Earth's UFO reports. (PROSE: First Frontier)

In 2002, Griffin spotted a Sidhe in San Francisco. (PROSE: Unnatural History)

In 2007, Torchwood Three also encountered an immortal, time travelling species known as the Fairies that was said to be responsible for the Earth legends of fairies. (TV: Small Worlds)

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