 In the episode "The Itchy and Scratchy Movie", Dustin Hoffman (qv)  and Michael Jackson (I) (qv) are said to have made pseudonymous  appearances in a movie. This was a inside jab at the fact that both  Michael Jackson (I) (qv) and Dustin Hoffman (qv) had provided  voices during the first few seasons of The Simpsons, but neither was  credited under his real name.