Lucifer, also known as Satan and the Devil, is the central antagonist of the TV series Supernatural. He was one of Sam's and Dean's arch-nemeses and initially portrayed as the main antagonist of the whole series until his downfall at Season 13, while God reveals his true nature at Season 14 and take over the role. He serves as the overarching antagonist of Seasons 1 to 4 (due to controlling Lilith and the other villains), as the main antagonist of Season 5, as the secondary antagonist of Seasons 7 (as a hallucination and alongside the leviathan Edgar) and 11, as one of the two main antagonists in Season 12 (along with Arthur Ketch), as the central antagonist of Season 13 and as the background antagonist of Season 14 and 15.