Over the course of 14 seasons, Supernatural has showcased a fair amount of formidable foes.
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And while Sam and Dean Winchester have come upon demons, literal gods, and monsters...
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Some of their biggest baddies have been ghosts.
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With that in mind, we break down some of the show's biggest foes.
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While Death Echoes & Omens are relatively harmless, Mylings are a more far more deadly.
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However, Specters and the Woman in White are easily some of the show's more terrifying ghosts.
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Still, the biggest threats are undeniably the Vengeful and Violent Spirits.
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Supernatural will launch its final season on Thursday, October 10.
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