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Powers and Abilities
Appearance Humanoid with pale skin, hollow eyes, and a fused mouth. Can appear human.
Episode(s) 4.14 Sex and Violence

Yeah, actually. But the siren's not actually a myth, it's more of a beautiful creature that preys on men, enticing them with their siren song.

Sam Winchester, 4.14 Sex and Violence


A siren's main drive is their need to be loved, and will seek in any way; be it sexual, platonic or familial. Sirens are also naturally solitary creatures, keeping to themselves, while moving from victim to victim seeking love. Sirens can appear as they wish, but their true visage is that of a pale humanoid with hollow eyes and a mouth that appears fused shut.

Sirens can manipulate feelings of love. It first charms its way through the victim's defenses by reading their mind and pretending to be the "perfect person" for the victim, and causes its victims to kill someone they love under the promise they will be together forever. Once the victim kills for the siren, the creature moves on to another person, repeating the cycle.

Powers and abilities

  • Shapeshifting – A siren can change its shape to appear human. It may seem to be either male or female, depending on how it chooses to approach a victim.
  • Siren's song – The siren's song is transmitted through saliva, infecting their victims through a fluid transfer. Sirens are also able to spit venom from a gland located in their mouths. Once enthralled by a siren, a person will do anything to prove their love for the siren. The infection leaves traces of oxytocin (a love hormone that provokes feelings of euphoria) in the victim's blood.
  • Telepathy – Sirens can read minds, allowing them to become the type of person a victim needs them to be.


  • Bronze dagger and victim's blood – The only way to kill a siren is to stab it with a bronze dagger dipped into the blood of someone it has infected. The death of a siren releases its victims from its hold.
  • Mirrors – A siren's true face can be seen in a mirror.


Nick Munroe's true siren face, revealed in a mirror.

4.14 Sex and Violence

Sam and Dean travel to Bedford, Iowa where the siren has been using a strip club to find victims. It has disguised itself as various strippers to match the ideal imagined by various men, seduced them, and has caused them to murder the women close to them.

Once the siren realizes that it is being hunted, it disguises itself as an FBI agent named Nick Munroe and becomes friends with Dean. Eventually the siren infects Dean by sharing a flask. It then convinces him that it should be Dean's new little brother, rather than Sam. By the time Sam returns to the hotel room, Dean is fully under the siren's power and is prepared to kill Sam for the siren. The siren then infects Sam by spitting it’s venom into his mouth and pits the brothers against each other, with the winner gaining it's love.

Bobby Singer arrives just in time to stop the boys from killing each other; he stabs an infected Dean with a bronze knife to get siren-envenomed blood onto the blade, and then stabs the siren, killing it and releasing Sam and Dean from its hold.

7.08 Season Seven, Time for a Wedding!

Sam texts Dean "348 Twain Ave WEAR FED SUIT!" Dean shows up and asks if they are crashing a wedding or looking for a siren. Sam tells him that life is short, he is in love and getting married. Later, Dean stops by Becky Rosen's apartment with a waffle iron and declares that there is a case in town. He follows Sam into the apartment and accuses Sam of not being himself. Becky becomes defensive and exclaims "What are you saying? I'm a witch? Or maybe I'm a siren."

12.15 Somewhere Between Heaven and Hell

After back to back to back hunts, Dean comes back to the Men of Letters Bunker covered in ghoul, wraith and siren gore.

Sirens in Lore

In Greek mythology, different sources speak of two, three or five nymphs with varying names, including Leucosia, Ligeia, and Parthenope. They were originally portrayed as hideous, bird-like women, but later, because they were often associated with the sea, they were sometimes imagined as mermaids. They sang an irresistible song that compelled sailors to come to them, wrecking their ships and killing themselves in the process.

Homer tells of how Odysseus was curious to hear the sirens sing. He ordered his companions to stuff their ears with beeswax and to tie him to a mast so that he could hear, but would not be able to follow the siren song. When the sirens failed to lure Odysseus, they flung themselves into the waves and perished.


  • Chris Baker portrayed the siren.
  • In the proposed spin-off, Supernatural: Bloodlines, sirens were to be revealed as the fifth, all female family running the monster underbelly of Chicago.