The 'There Is No Dana, Only Zuul' meme originates from the 1984 supernatural comedy Ghostbusters. In this iconic scene, Dana Barrett (played by Sigourney Weaver) has been possessed by Zuul, the Gatekeeper of Gozer, and delivers the line with chilling intensity to Peter Venkman. In the world of internet memes, this quote is frequently used to represent a total takeover of one's personality or focus, often replacing 'Zuul' with things like 'Coffee,' 'Monday,' or 'Gaming.' It serves as a perfect template for expressing that someone is no longer themselves due to an external obsession or a rough morning, blending 80s nostalgia with modern humor.