Kimberly Benson (born May 13, 1991) is a Scottish professional wrestler currently signed to American promotion WWE, where she appears under the ring name Piper Niven and is former one-time WWE Women's Tag Team Champion. She previously wrestled as Viper on the European and Japanese independent scenes, including winning championships in World Wonder Ring Stardom, Pro-Wrestling: EVE and Insane Championship Wrestling (ICW), and briefly as Doudrop in WWE.