Sandwich Easter Egg

What is the Sandwich Easter Egg?
The sandwich Easter Egg is and Easter Egg found in all gas stations. When you walk into a gas station building (Wheato and Forest Gas) on the right there will always be a display cabinet and inside will be sandwiches. The centre sandwich has a bite in it like its been eaten a little bit. In the workspace in the display cabinet model, the sandwich will be called "yu ated my sandwich?!". There are a total of 4 of these, all found in the gas stations.