Maid Gunner (メイドガンナー - Meido Ganna) is part of huke's Black★Rock Shooter. huke has also referred to her as Infinite Range Maid (無限射程メイド Mugen Shatei Meido), Miss Maid Sniper or just Maid-san (メイドさん) She does not appear in the OVA. However, she appears in an online game, Puchitto Rock Shooter.
She is a girl with long black hair and pink eyes. Unlike the primary protagonists of Black★Rock Shooter, her eyes do not shoot out flames. Maid Gunner also wears a maid costume, black stockings and black boots. Her weapon is a long-barreled sniper rifle.
In Puchitto Rock Shooter, her hair is green or light blue instead of black.