Walt Disney World Easter Egg - Planet of the Mice

In the Buzz Lightyear Spin ride in the Magic Kingdom, there are pictures on the walls while you are waiting in line. In 2 of the pictures, a galaxy is divided into "sectors". In sector 1, you can clearly see a planet labled Pollost Prime. Looking at the continent bang splat in the center of te planet, you could make out that the continent is shaped like a side view of a certain famous mouse.