T.M.4.D.B.

The T.M.4.D.B. (The Mysterious Four-Dimensional Blimp) is the boss of 4-D Bloons (Special Mission). It has

10,000 health and contains that mission's Round 90. It is Camo,Regrowth,and Evasion. It has Four-Dimensionality

and can shrink to the size of a black bloon or rotate a tower through the fourth dimension into its mirror image.

Mirror-image towers do everything backwards.