From Wikipedia, the free encyclopedia. Elizabeth Ann Guttman (born September 11, 1961), better known by her stage names of Elizabeth Daily and E.G. Daily, is an American voice actress, actress, singer, songwriter, and musician. She voices Tommy Pickles in Rugrats and its spinoff All Grown Up!, Buttercup in The Powerpuff Girls, Steve from Curious George and Waffle from Catscratch in the second season. Description above from the Wikipedia article Elizabeth Daily, licensed under CC-BY-SA, full list of contributors on Wikipedia .