|Residence||Grandma Nega-SquarePants' House (Nicktoons: De-Age before Beauty)|
|Friends|| Grandma Nega-Tentacles|
|Family|| Nega-Margaret Nega-SquarePants (daughter-in-law)|
Nega-Harold Nega-SquarePants (son)
Grandpa Nega-SquarePants (late husband)
Nega-SpongeBob Nega-SquarePants (grandson)
Great Grandpa Nega-SquarePants (father-in-law)
Nega-Todd Nega-SquarePants (grandson)
Nega-BlackJack Nega-SquarePants (grandson)
Nega-Larry Nega-SquarePants (grandson)
Nega-Blue Nega-SquarePants (son)
Nega-Sherm Nega-SquarePants (son)
Nega-Stanley N-S. Nega-SquarePants (grandson)
Unnamed Great Great Grandson
|Love Interest||Grandpa Nega-SquarePants (late husband)|
|First appearance|| Nicktoons: The Heroes Meet Their Match (indirectly mentioned)|
Nicktoons: De-Age before Beauty
Grandma Nega-SquarePants is Nega-SpongeBob's grandmother and the opposite of Grandma SquarePants.
Grandma Nega-SquarePants is a science blue nega-sponge with sky blue holes. She has dark ebony hair and rope colored (not the object) eyes and wears a hibiscus colored dress with a deep fir colored line and perfume colored shoes.
She is nice to her family and friends. To everyone else, she is distrusting or mean.
Abilities and TalentsEdit
- Inability to Make Cookies - her inability to make cookies is a talent. What she makes can be used as a weapon.
She married Mr. Nega-SquarePants, later to be named "Grandpa Nega-SquarePants". With him, she had six children, Nega-Harold, father of Nega-SpongeBob, Nega-Blue, Nega-Sherm, father of Nega-Stanley, and three unnamed sons, fathers of Nega-Larry, Nega-Tood, and Nega-BlackJack.
Grandpa Nega-SquarePants died before 2000.
She now lives alone in her home. Once in while, she is visited by her family members, usually Nega-SpongeBob.
- Nicktoons: De-Age before Beauty - She and her husband, who was brought back to life by being de-aged, will help Pappy Nega-Turner (Nicktoons: De-Age before Beauty) to take over the worlds.
She is an unofficial member of the Original Nega-Heroes. Her husband was the official member. Other members include: