"Doc Brown" redirects here. For the British rapper, see Doc Brown . Dr. Emmett Lathrop "Doc" Brown is a fictional scientist, and one of the lead characters in the Back to the Future motion picture trilogy, played by actor Christopher Lloyd in the three films and 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 the Back to the Future universe, he is the inventor of the first time machine, which he builds out of a De Lorean sports car.His earlier inventions met with limited success but he was able to create a large refrigerator and steam locomotive time machine in 1885. "Doc", as he is referred to by his best friend, Marty McFly, was born in 1920, in Hill Valley, California – the novel states him to be 65 in 1985, although