The Simpsons opening sequence standards and practices department also demanded a handful of changes, but, according to Jean, "95 percent of it is just the way [Banksy] wanted." Banksy told "The Guardian" that his opening sequence was influenced by "The Simpsons" long-running use of animation studios in Seoul, South Korea. The newspaper also reported that the creation of the sequence "is said to have been one of the most closely guarded secrets in US television – comparable to the concealment of Banksy's own identity." Although conceding to the fact that "The Simpsons" is largely animated in South Korea, Jean went on to state that
The Simpsons opening sequence the scenes shown in titles are "very fanciful, far-fetched. None of the things he depicts are true. That statement should be self-evident, but I will emphatically state it." After the positive response to the opening sequence by Banksy, creator Matt Groening and Jean came to Canadian animator and creator of "The Ren & Stimpy Show", John Kricfalusi and asked him if he could do something similar for the episode "Bart Stops to Smell the Roosevelts". Originally, they only wanted him to do the storyboards and then let their regular crew animate it, but Kricfalusi insisted on doing the animation himself,