Ancient Vedic religion was an complex animistic religion with polytheistic and pantheistic aspects. Hinduism, otherwise a highly polytheistic, pantheistic or monotheistic religion, also tolerated atheistic schools. They occur commonly in both monotheistic and polytheistic religions. Most religions can be described as animistic with various polytheistic and pantheistic aspects. In the case of Hinduism, pantheistic views exist alongside panentheistic, polytheistic, monotheistic, and atheistic ones. Heathens believe in multiple polytheistic deities adopted from historical Germanic mythologies. Unlike Wiccans, Hellenists are usually strictly polytheistic or pantheistic. Many religions, both polytheistic and monotheistic, have deities associated with the sky. Costa Rica were mostly animistic, polytheistic and shamanistic. Pre-conquest the natives followed a variety of monotheistic and polytheistic cults. Traditional Niger-Congo religion also included polytheistic and animistic elements. According to this theory, religion evolves from more polytheistic to more monotheistic forms. Before Christianization, the Gaelic Irish were polytheistic or pagan. The phase also replaced much of the polytheistic beliefs of the people into monotheism. Love deities are common in mythology and may be found in many polytheistic religions.