Gruntilda Winkybunion (or just Grunty) is an evil witch in the Banjo-Kazooie series and the antagonist of the series as she is Banjo and Kazooie's biggest enemy. She used to be green skinned. She has three sisters, Brentilda, Mingella and Blobbelda. She seems to be friends with Klungo. She lived in her lair with her minions, but her residence is currently at Cauldron Keep.