Head: Roadblock modified with paint brush hair
Rest: Tunnelrat
Duct tape patches on boot, pants, shotgun, and in roll form real duct tape

Charlie Brown wasn't the only one to survive after the dead began walking the Earth. Pigpen took to his family's junkyard and hunkered down till he was ready. Now he is another survivor roaming the wastes looking for any of his surviving friends.
_________

My favorite detail is the roll of duct tape, made out of real duct tape. I figured Pigpen is a junkyard engineer and lives by the mantra, "If ya can't duck it..."