The image features a graphic design with a white background. At the top, there is a phrase "My Patronus is a" followed by the word "Rat" in a large, stylized font that resembles a rat's tail. Below the text, there is a black silhouette of a rat with a tail. The rat is depicted in a dynamic pose, as if it is running or jumping. Surrounding the rat are several black stars of varying sizes, scattered around the image. The overall style of the image is reminiscent of a comic book or graphic novel, with bold lines and a limited color palette.