User blog comment:Tiger Lily29/List Of Everyone's Role Playing Characters/@comment-5382349-20121128203457

M-4CK (Martian Probe #4)- A Martian exploration probe sent to Gravity Falls to gather information on the supernatural activity of the location. His personality device was broken on his pod's impact with the planet, and is thus defective. He resembles a Martian Fighting-Machine, except he's as tall as Grunkle Stan rather than 150 ft. high. His current intent is to gain the Books.