Yeah, the moon should be yellow, like cheese. Then it would be easier to understand. I find that people don't like to spend a very long time looking for the humor in something. They like jokes that are immediately understandable.
Oh man this is a hella good use of mixed media, an awesome visual joke as well as a cheesy good mind tickle as well. Wow, that's a lot of places to strike gold.
Dunno fellas, I kinda think that it's not such an obvious cheese/mouse joke makes it even better when you figure out that part of the shirt equation.
About my design