Granny Tentacles is Squidward and his cousin's paternal grandmother, Jeff Tentacles' mother and Mrs. Tentacles' mother-in-law first seen in the episode "Chum Fricassee." She later became a recurring character in The Patrick Star Show.
She has red eyes and wears a long dark pink dress and light green slippers. Her skin is similar to Squidward’s, only slightly darker and with wrinkles. She has golden earrings and whit hair. In The Patrick Star Show, her skin is lighter, her dress is light pink, she wears matching pink slippers and has darker hair, a crinkled nose and liver spots on her head.