Most people likely know Castellaneta as the voice of Homer Simpson. Read more: The 101 Best Action Movies Ever Robin Williams ...

(Photo by Michael Caufield/Getty Images for PCA) (ATR) The world of Robin Williams included the Olympics. In return for doing the voice over for the IOC's "Celebrate Humanity" campaign in 2000 ...

Known for granting three wishes, Disney's blue genie was voiced by Hollywood legend Robin Williams ... Today Show, Williams explained: "The one thing I said was I will do the voice.