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Gorillandmas are old ladies that are really big and muscular like gorillas. They appeared in the Grojband 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.
List of Gorillandmas
- All three of the Gorillandma's names begin with B.