Emmett Lathrop "Doc" Brown, Ph.D., is a fictional character in the Back to the Future trilogy in which he is the inventor of the first time machine, built out of a DeLorean sports car. The character is portrayed by Christopher Lloyd in all three films, as well as in the live action sequences of the animated series. He is voiced by Dan Castellaneta in the animated series. The character's appearance and mannerisms are loosely inspired by Leopold Stokowski and Albert Einstein. In 2008, Dr. Emmett Brown was selected by Empire magazine as one of The 100 Greatest Movie Characters of All Time, ranking at #20.