Alvin
Alvin is the great uncle of Sheldon J. Plankton, and only appears in "A Plankton Family Tree."
Description
He is the same shape as his mother, Basia Plankton, but sports a pink top hat with a red ribbon.
Alvin is the great uncle of Sheldon J. Plankton, and only appears in "A Plankton Family Tree."
He is the same shape as his mother, Basia Plankton, but sports a pink top hat with a red ribbon.