: Mike Myers originally recorded the entire film in his natural voice. After seeing a rough cut, he decided Shrek needed a Scottish accent to contrast with the "Lord's English" of Duloc. This late-stage change reportedly cost the studio roughly $4 million to re-animate the lip-syncing.
: Before Myers took the role, Chris Farley was cast as Shrek and had recorded nearly 90% of his lines before his passing in 1997. His version of Shrek was intended to be a much younger, "innocent bumbling ogre". Shrek(2001)
: PDI/DreamWorks developed a proprietary "shaper" system that allowed animators to manipulate muscles and skin layers from the inside out, creating more realistic facial expressions and body deformations than seen in previous works like Antz . : Mike Myers originally recorded the entire film
If you are looking for specific DVD or Blu-ray features, the standard releases typically include: The Tech of Shrek | Shrek (2001) Special Feature : Before Myers took the role, Chris Farley