Elizabeth Ann Guttman, known professionally as Elizabeth Daily and E. G. Daily, is an American voice, onscreen actress and singer known for her portrayal of voicing Tommy Pickles in the Nickelodeon series Rugrats and its spin-off All Grown Up! and in the Rugrats film series and Buttercup in Cartoon Network's The Powerpuff Girls. She also provided the voice of the title pig in the live-action feature film Babe: Pig in the City.