Super Koopas are a type of Koopa Troopa that have three types of capes. Many are seen in the cameo after all levels are unlocked. They can all be turned into Beach Koopas when stomped. The first type of Super Koopa runs along the ground towards Mario and launching into the air. The second type swoops down from above to hit Mario. The third type acts like the first type, but releases a Cape Feather when stomped.
In Super Mario World the Super Koopa will fly toward you even if it means going through a wall.