Sonic.EXE began as an internet creepypasta in 2011, reimagining Sonic the Hedgehog as a demonic, black-eyed entity that traps players inside a haunted version of his game. The story inspired fan-made games, animations and countless YouTube playthroughs, turning the character into a staple of early internet horror culture. As short-form video grew, clips and sounds linked to Sonic.EXE were reused for jumpscares, horror edits and nostalgic parodies. The character endures because it twists a widely recognised childhood hero into something genuinely unsettling, a contrast that still works for new audiences discovering the meme.