The Koopa's attacks involves the use of magic pillars that he can shrink himself with, most likely resulting in him falling out of the stage. He is defeated by having Mario run into the pillars. This causes Mario to grow into mega form, allowing him to bash the Koopa. This process must be done three times.
In Japanese, his name is ボスノコノコ, which translates to Bosu Nokonoko, meaning "Boss Koopa Troopa". The second Japanese name is ファラオノコノコ, which translates to Farao Nokonoko, meaning "Pharaoh Koopa Troopa".