Mistress Spencer is a playable character in both the original Rumble Roses in 2004 and sequel Rumble Roses XX in 2006. She is the Heel persona of Miss Spencer and fights under the moniker of "The Dominatrix". Her Japanese voice actress is Satsuki Yukino. She was dubbed by Rachel Walzer in the first game, with Karen Strassman voicing her in the sequel. Mistress Spencer is unlocked in the first game after completing Miss Spencer's story mode, or through the vow system. In the second game, she's unlocked after Miss Spencer looses her champion's title to a player-controlled character.