Granny Plankton

Granny Plankton, more commonly known as Grandma Plankton or Plankton's Grandmother, is Sheldon J. Plankton's paternal grandmother, Chip II Plankton's paternal great-grandmother, Gordon Plankton's mother, Ma Plankton's mother-in-law, and also the grandmother-in-law of Karen Plankton on her father-in-law's side. She was first mentioned in the episode "Krabs vs. Plankton" and later appears in "Gramma's Secret Recipe." She looks similar to Plankton, except that she has glasses, dentures, light purple puffy hair, and wears...

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Krabs vs. Plankton