This is a toady. One of Kamek's toadies as a matter of fact. These suckers appear in Super Mario World 2: Yoshi's Island for the SNES. They don't appear as enemies, instead serving as the reason for a game over. Once Baby Mario has cried for long enough, they will appear and snatch him away. They also have propellors on their heads, which is awesome. Every time I close my eyes at night, I hear Baby Mario crying... heh... haha... HAHAHAHAHAHA-