The Devil, also known as Satan, is believed in certain religions and cultures to be a powerful, supernatural entity that is the personification of evil and the enemy of God and humankind. Sokar took on the persona of an Egyptian god of evil, and later the Devil of Christianity. (SG1: "Demons", "Jolinar's Memories")
Reginald Greer complained that Virgil Biggs had been sent by Satan to torment him. (SGU: "Lost")