Henderson's original Twitter post about the creature contained just enough information about Siren Head to whet the internet's insatiable appetite for the creepy: A woman, driving by, saw the creature standing in a cemetery. At first, she thought it was just an art piece, but then it came to life, screeching random words through its dual speakers and running towards her.
Since making the original post, Henderson has continued to flesh out (so to speak) Siren Head's story: The creature is not an animal but rather a physical manifestation of a metaphysical entity. It has no eyes, but it can see; it never eats, but it conceals mouths full of razor-sharp teeth inside its sirens to strip human flesh from bone. It communicates via sirens and other sounds and can even record and playback sounds in order to stalk its prey. It can also blend seamlessly into its environment, disguising itself as a telephone pole or a streetlight (via The Infographics Show).
All that was enough to capture the internet's imagination. It took Siren Head a couple of years, but as of 2020, it had exploded in popularity, with other creators filling in the details as needed. Thanks to TikToker Alex Howard, we have video "evidence" of the thing, and thanks to game studios like Undreamed Panic (via PC Gamer) and Modus Interactive (via Know Your Meme), we have games where you can flee from the monster in full polygonal 3D. Sleep well tonight.
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