Grammi Gummi is another old bear who is the matriarch of Gummi Glen. She acts as the group's mother, who cooks, cleans, and is the Gummi who prepares Gummiberry juice. She holds the secret recipe, and wants to pass it down to Sunni when she is of age. She has an intense rivalry with Gruffi and tends to bicker with him over what needs to be done. She was voiced by June Foray.