Although it's not addressed in the documentary, Farley was originally cast as the animated film's green ogre, opposite Eddie Murphy as Donkey. Farley's brother Kevin Farley recently revealed to Yahoo! Movies the 33-year-old comedian had recorded nearly all of Shrek's dialogue by the time of his death in December 1997 from a drug overdose.
“Originally the Shrek character was a little bit more like Chris, like a humble, bumbling innocent guy,”explained Kevin Farley, who said he'd never heard audio of his brother's performance.
Following Farley's death, DreamWorks Animation recast fellow "Saturday Night Live" alum Mike Myers as Shrek. The film grossed more than $484 million worldwide upon its release in 2001, and spawned three sequels, a spinoff and a pair of holiday specials.
Asked by Yahoo! about the recasting, Kevin Farley said, "“They probably wanted to make 'Shrek' 1, 2, 3, 4, 5, so [...] The studio needed to do what they needed to do. It was a bad time, bad timing … a tragedy. Mike did a great job with Shrek. He knocked it out of the park.”
(via Consequence of Sound)