Rogda

Rogda, in Slavic mythology, was a Russian hero who slew the serpent's son Tugarin of Bulgaria, invincible to any person born of a woman. Tugarin intended to challenge the prince Vladimir to mortal combat because he had married Lepa, daughter of the king of the Bulgarians, against her father's will, and Lepa made known the secret of Tugarin's invulnerability to her husband. Rogda, who had been taken from his mother's womb by means of an incision made after her death., went forth and successfully encountered the giant.