1) Satan 
Samael or Samuel (סמאל) (Severity of God) (also Sammael or Samil) is an important archangel in Talmudic and post-Talmudic lore, a figure who is accuser, seducer and destroyer, and has been regarded as both good and evil. It is said that he was the guardian angel of Esau and a patron of the Roman empire. He is considered in Talmudic texts to be...