Nancy Campbell Cartwright (born October 25, 1957 in Dayton, Ohio) is an American voice actress. She is best known for providing the voice of Bart Simpson, Nelson Muntz and Ralph Wiggum on the animated television show The Simpsons. She also provides the voice of Chuckie Finster on All Grown Up! instead of Christine Cavanaugh. A graduate of Kettering Fairmont High School, Cartwright attended Ohio University before transferring to UCLA where she earned a degree in theatre.
She was a student of Daws Butler (voice of Huckleberry Hound, Snagglepuss and many others), and in her autobiography cites Butler as being her mentor and the greatest influence on her life.
Nancy has over two decades experience at the mic. In addition to her work on The Simpsons, she has lent her voice to characters on various other animated series, including Kim Possible, The Replacements, Richie Rich, Animaniacs, Pinky and the Brain, My Little Pony, The Critic, God, The Devil and Bob, Mike,...
My Little Pony: The Movie is a 1986 animated film based on the popular My Little Pony toy line. The movie features the voice acting talents of Danny Devito, Madeline Kahn, Cloris Leachman, Rhea Perlman, and Tony Randall. The movie was succeeded by a television series which ran in late 1986. A 10-part episode from that series, The End of Flutter Valley, was a sequel to the movie.At Dream Castle, the My Little Ponies are preparing a festival to celebrate the first day of Spring. From the Volcano of Gloom, the witch Hydia watches the event via her cauldron and, disgusted by the frivolity, tells her daughters that they must ruin it.Baby Lickety-Split, one of the Baby Pony Dancers, tries to gain attention by inventing an elaborate new dance step, but only succeeds in tripping up the others and ruining the whole performance. When she is scolded by Buttons and the other Baby Ponies, a tearful Lickety-Split runs to the Lullabye Nursery where she packs her things to run away. Spike the baby... http://www.imdb.com/title/tt0091584