Aykroyd had been a cast member himself from 1975-1979 onSNL, and took one of he major film roles.Although scripted, the film was noted for numerous ad-libs and script modifications.Columbia Pictures took a risk with the supernatural sci-fi comedy involving the paranormal by financing the film's extensive special effects, involving techniques such as miniatures, stop-motion, puppetry, rotoscoping, and cel animation.Fiona vowed to lead them to rescue Shrek and "take care of business."Just outside the castle in some gardens where two Evil Trees stood guard, Snow White summoned forest creatures to herself, and then ordered them to attack, as Princess Fiona and the others followed and burst through the gates and climbed the castle wall to its rooftop." The small shuttle maneuvered through space junk, as it reported its findings to balding Sgt.Brodski (Peter Mensah), who was on the interplanetary, class-4 catamaran transport spacecraft namedGrendel.Neff: Perfect for my money.Phyllis: Neff is the name, isn't it?Neff: Yeah, two 'Fs,' like in Philadelphia, if you know the story.