Boss of Dark Shadow

is main antagonist and final boss of Rainbow Islands, and an alternate form of Baron von Blubba. The Boss of Dark Shadow takes the form of a giant armored Bubble Dragon. His true form is a giant Baron von Blubba. Abilities:  The Boss of Dark Shadow is shown to be able to shoot bubbles, much like other Bubble Dragons. Its bubbles can transform humans into Bubble Dragons. Its second form, the giant Baron von Blubba, can shoot winged versions of the Baron out to attack its foes. Real Goal Boss of Dark Shadow turn all humans in bubble dragons to make them his servants and rule the world.