Normally, it will just float up and down and try to fire pellets at the player. However, if the player fires at the balloon, it will burst out of control and attempt to tackle them. Depending on the size of the screen, the Ballonboo may attempt to tackle more than once. If player shoots the robotic face, it will explode sending the remaining balloon to the sky.
- Its name is derived from the word balloon (バルーン).