For most Wiccans, Wicca is a duotheistic religion. The Goddess and God are seen as complementary polarities and this balance is seen in nature. They are sometimes symbolised as the Sun and Moon, and from her lunar associations the Goddess becomes a Triple Goddess with aspects of "Maiden", "Mother" and "Crone". Some Wiccans hold the Goddess to be pre-eminent, since she contains and conceives all. The God is the spark of life and inspiration within her, simultaneously her lover and her child. This is reflected in the traditional structure of the coven.[6] In some traditions, notably Feminist branches of Dianic Wicca, the Goddess is seen as complete unto herself, and the God is not worshipped at all. Wicca is essentially an immanent religion, and for some Wiccans, this idea also involves elements of animism[7] A key belief in Wicca is that the gods are able to manifest in personal form, most importantly through the bodies of Priestesses and Priests. The latter kind of manifestation is the purpose of the ritual of Drawing down the Moon (or Drawing down the Sun), whereby the Goddess is called to descend into the body of the Priestess (or the God into the Priest) to effect divine possession.
According to Gerald Gardner the gods of Wicca are ancient gods of the British Isles: a Horned God and a Great Mother goddess.[8] Gardner also states that a being higher than any of these tribal gods is recognised by the witches as Prime Mover, but remains unknowable.[9]
Some Wiccans have a monotheistic belief in the Goddess as One. Many have a duotheistic conception of deity as a Goddess (of Moon, Earth and sea) and a God (of forest, hunting and the animal realm). This concept is often extended into a kind of polytheism by the belief that the gods and goddesses of all cultures are aspects of this pair (or of the Goddess alone). Others hold the various gods and goddesses to be separate and distinct. Still others do not believe in the gods as real personalities, but see them as archetypes[10] or as thoughtforms. A unified supreme godhead is also acknowledged by some groups. Patricia Crowther has called it Dryghten.[11] Janet Farrar and Gavin Bone have observed that Wicca is becoming more polytheistic as it matures, and embracing a more traditional pagan worldview.[12]
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http://en.wikipedia.org/wiki/Wicca)