Physical appearance
Gender: Female
Classification: Plankton
Spouse: Seymour
Children: Alvin and Ella Plankton
Grandchildren: Gordon Plankton and Silas Plankton
Series information
Appearance: A Plankton Family Tree
List of characters

Basia is the great grandmother of Sheldon J. Plankton. She only appears in the comic, A Plankton Family Tree.


She is an old plankton with four curled arms and legs, white hair, and stooped posture.


At some point, she married Seymour.

Later, they were run out of their hometown for evil scheming and had to move to Bikini Bottom.

Here, they had Alvin and Ella.

Role in the comic

She is only a representation of Plankton's family tree.

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