Claim: Christopher Lloyd has not done extensive voice over work.
Evidence: Christopher Allen Lloyd -LRB- born October 22 , 1938 -RRB- is an American actor , voice actor and comedian best known for his roles as Emmett `` Doc '' Brown in the Back to the Future trilogy , Judge Doom in Who Framed Roger Rabbit -LRB- 1988 -RRB- , Merlock the Magician in DuckTales the Movie : Treasure of the Lost Lamp -LRB- 1990 -RRB- , Uncle Fester in The Addams Family -LRB- 1991 -RRB- and its sequel Addams Family Values -LRB- 1993 -RRB- , and Grigori Rasputin in Anastasia -LRB- 1997 -RRB-.