From Kingdom Hearts Wiki: A world of information not accessible by Gummiship
Retrieved from "http://www.khwiki.com/index.php?title=Missile_Diver&oldid=708252"
A Missile Diver is a humanoid Heartless with light blue skin covered in blue-grey and blue-white zig-zag patterns. It has four fingered-hands and flippers for feet. Its head is long and torpedo-shaped, even sporting a pale green propeller on its back tip. Its forehead is decorated by angular, black spirals and it has a fin on either side of its head. Its face is pitch-black with glowing yellow eyes and its Heartless emblem is on its chest. While in motion, Missile Divers have a red glow at their back end, like a rocket.
The Missile Diver's name references the fact that the air-bound Jet Balloon launches the Heartless like a missile into enemies. The latter part of its name references the appearance of the Heartless; it looks as if it is clad in a diving suit, complete with flippers.
While fast, these Heartless are not that difficult to beat. Simply beat the Jet Balloons that create the Missile Divers, and the rest comes easy. Also, Aero magic can be used to reflect the Missile Divers.