Siren Head was created by horror artist Trevor Henderson as a towering, siren-headed cryptid that stalks rural landscapes and mimics sounds to lure victims. The character spread through online horror art, creepypasta stories, and short-form video, where its eerie siren became instantly recognisable even to people who had never seen the original drawings. Fan games, animations, and TikTok edits kept the creature in circulation, and the sound is still used today because it signals danger, mystery, and something unnatural approaching before anything appears on screen.