Character
Pearl Forrester
Pearl Forrester in Mystery Science Theater 3000 (1988), played by Mary Jo Pehl.
Pearl Forrester is the mother of Dr. Clayton Forrester and the grandmother of Kinga Forrester on Mystery Science Theater 3000, as well as being a mad scientist in her own right. Introduced in the Season 6 episode Bloodlust, she became a regular in Season 7 when Pearl took the place of TV's Frank after Frank Conniff departed from the cast.