Dr. D. Zaster was a an associate of Dr. Inferno. D Zaster planned to cover LEGO City with toxic slime in the Agents 2.0 set 8969 4-Wheeling Pursuit. His plot was later foiled by Agent Chase. He looks similar to Slime Face.
- His name is a pun of disaster.
- He has the same hair piece as Dr. Inferno but in white and lime green as opposed to black and orange.
- He has a similar torso to Dr. Inferno, except it is black, has no robotic arm, and has slime oozing down from the top of the suit.