Mock Up

Mock Up is a enemy in Super Mario World 2: Yoshi's Island and Yoshi's Island: Super Mario Advance 3. It is a strange balloon that can be colored red or green.

Super Mario World 2 Yoshi's Island

Mock Up only appears in a few levels when Yoshi gets too close they will inflate if he eats one before it pops he will get a 1-Up if it successfully pops it will reveal a Fly Guy.

Red Mock Up (left) and Green Mock Up (right)