Thor is the god of thunder; he is the son of Odin and Jord. He is married to Sif a fertility goddess and Thor has a mistress the giantess Jarnsaxa and had sons Magni and Modi and daughter Thrud by her. Thialfi who is the messenger of the gods aids Thor. Thor is most popular of the Norse gods he was the protector from forces of evil. Thor unlike Odin didn't require human sacrifices. Thor rides his chariot during a thunderstorm his chariot is pulled by two goats Tanngrisni and Tanngnost. Thor carries a war-hammer Mjollnir. On the day of Ragnarok he will kill the Midgard Serpent but die from its poison. The day Thursday is named after him.