The ruler of hell.
Thamiel is also a facet of God who was playing antagonist and made every person hate him. For example he deliberately antagonized Samyastraz by collapsing his favorite Ziggurath and creating Aramaic. He made the friendship between Sohu West and Uriel that much stronger by appearing to want to drive them apart after torturing Sohu. He also orchestrated the rest of the plot to redeem Adam Kadmon. There was a Thalmud prophecy that the Messiah would come if the people repented even one day, which he caused by creating The Broadcast. As soon as the Broadcast aired the Comet King was born.