The line is associated with Dio Brando in JoJo’s Bizarre Adventure: Phantom Blood and is commonly known through the 2012 television anime adaptation. Its Japanese wording, “Kono Dio da,” is often translated or paraphrased as “It was me, Dio.” Online, the scene became a reaction-image and video meme built around deceptive setups and abrupt reveals. It remains popular because Dio’s theatrical confidence makes even a simple bait-and-switch feel like an outrageous villainous confession.