The Scooby Doo Mask Reveal meme is based on the recurring climax of the 1969 animated series 'Scooby-Doo, Where Are You!' where Fred Jones removes a villain's mask. The template typically features Fred pulling a mask off a character to reveal another person, brand, or concept underneath. It first became a viral sensation on platforms like Reddit and Tumblr, used as a satirical way to expose the 'true identity' of companies, sequels, or social trends. It remains a staple format for highlighting hypocrisy or identifying when one thing is secretly just another in disguise.