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Gorillandmas of Grannapes
The Gorillandmas are old ladies that are really big and muscular like gorillas. They appeared in the episode "Rockersize." The Grorillandmas are three old ladies named Blanche, Bertha, and Beatrice who used to work out at Gym Barney's Gym Barn. Grojband played five months worth of music in five seconds which made them grow really huge and muscular.