Death to Smoochy is a 2002 American satirical black comedy crime film directed by Danny DeVito and written by Adam Resnick. Starring Robin Williams, Edward Norton, Catherine Keener, DeVito, and Jon Stewart, the film centers on "Rainbow" Randolph Smiley (Williams), a disgraced former children's television host who attempts to sabotage his replacement, Sheldon Mopes (Norton), and his character, Smoochy the Rhino. Produced by Film4 Productions and Andrew Lazar's Mad Chance Productions, Death to Smoochy was released in the United States on March 29, 2002, by Warner Bros. Pictures.
https://en.wikipedia.org/wiki/Death_to_Smoochy