Oya is one of the most powerful Orishas. Her full name is Oya Yansan, which means “Mother of Nine.” A Warrior-Queen, She is the sister-wife of the God Shango, to whom She gave the power to create storms. Much of Oya's power is rooted in the natural world; She is the Goddess of thunder, lightning, tornadoes, winds, rainstorms and hurricanes. A Fire Goddess, it is Oya who brings rapid change and aids us in both inner and outer transformation.
Oya (Yansa) is the Goddess of Storms, Lightning, and cemeteries. She is a warrior, the wife of Chango. Her colors are orange and maroon, and her syncretized saint is Theresa. She epitomizes female power and righteous anger. Oya brings sudden change. She is a whirlwind, an amazon, a huntress, and a wild buffalo. Lightning and rainbows are signs of her presence. She also rules communication between the living and the dead.
Frigga has same qualities/Mother Mokosh, a major Slavic Goddess of the Earth, also called Mati-Syra-Zemlya, or "Moist Mother Earth." Mokosh spins flax and wool at night and shears sheep. She also spins the web of life and death. She is a Goddess of fecundity and midwifery.