Siren Head was created by Canadian horror artist Trevor Henderson and first shared online in 2018 as part of his found photograph style monster series. The creature is a towering, emaciated figure whose head is replaced by twin sirens that broadcast alarms, music and distorted voices. Images and stories spread widely in 2020 through social media, fan games and video edits, turning the sirens into shorthand for creepypasta horror. This extremely loud version exaggerates that alarm for earrape memes and jumpscare edits, where exaggeration is the joke and the warning sign.