<Tr> <Th> Children </Th> <Td> Meg Masters Tom </Td> </Tr> <Tr> <Th> Abilities </Th> <Td> Demonic pacts Demonic possession Dream manipulation Invulnerability Pyrokinesis Superhuman strength Telekinesis Teleportation </Td> </Tr> <P> Azazel is a fictional character on The CW Television Network's drama and horror television series Supernatural . He serves as the main antagonist during the first two seasons . A demon, he feeds his blood to infants so that they will grow up to develop demonic abilities . His goal of using one such child to release Lucifer is not revealed until much later in the series . Azazel is referred to by nicknames such as "The Demon," "The Yellow - Eyed Demon," or "Yellow Eyes" throughout the first two seasons, his true name not being revealed until the third season . Due to the character's demonic nature of taking different hosts, Azazel has been played by numerous actors but Fredric Lehne is the main default portrayer . All the incarnations have maintained his sadistic sense of humor and irony . </P> <P> The tyrannical leader of an army of demons, Azazel first appears in the pilot episode of the series, but plot devices such as flashbacks and time travel detail his background in later seasons . He is one of the four Princes of Hell, along with Ramiel, Asmodeus and Dagon, and the most devoted to Lucifer . His earliest chronological depiction occurs in the fourth season finale, "Lucifer Rising". Having spent years searching, Azazel (Rob LaBelle) finally located the doorway to Lucifer's prison in 1972 . The fallen angel tasked him with freeing the demon Lilith from Hell--she is needed to break the 66 seals holding Lucifer captive--and to find him a "special child". </P>

Who was the yellow eyed demon in supernatural