Fly Guys are enemies that appear in Yoshi's Story, Yoshi's Island DS, and Super Mario World 2: Yoshi's Island. They fly with a propeller on top of their heads. In Yoshi's Story, they appear in groups of four. They only appear in the levels Frustration, Poochy and Nippy, and Shy Guy Limbo. If all four are defeated with one Egg, Yoshi is awarded a Melon. They can carry very dangerous items like bombs, or sometimes useful items like coins. In Super Mario World 2: Yoshi's Island they make their first appearance. In the game, they can carry Red Coins, 1-Ups, Coins, ? Clouds, or even bombs. In Yoshi's Island DS they act the same except they do not carry bombs and their laughs are much higher pitched.
- Mario Tennis 64 (Nintendo 64)
- Mario Tennis Power (Nintendo GameCube)