The Gruntling Commander is a minor character who appears in Banjo-Kazooie: Grunty's Revenge in Bad Magic Bayou. He is on a tree stump waiting for Banjo and Kazooie to compete with him and his Gruntling minions, who come in various colors. Upon defeating all of the Gruntlings from weakest to strongest, Banjo and Kazooie are awarded with a Jiggy. After this, the Gruntling Commander does not appear again in the game.
Characters from Banjo-Kazooie: Grunty's Revenge 
| Main Characters: | Banjo · Bozzeye · Mecha-Grunty · Kazooie · Klungo · Mumbo Jumbo |
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| Minor Characters: | Alfred P. Cock · Bleaters · Honey B · Jinjo Oracle · Mama Clucker · Master Jiggywiggy · Miss Bucket · Mr. Ripovski · Mrs. Squitter · The Breegulls · The Dolphins · The Snowies · The Squits |