Utropolis is the fictional version of Rapture created by Lex Harlan, editor of Visionary Wonder Stories, when editing the writings of RØd Killian Quain (otherwise known as Orrin Oscar Lutwidge). The story describes a technologically advanced city at the bottom of the ocean which Harlan called Utropolis. Other changes to Quain's writing include: Changing Splicers to "Juicers", ADAM to "Transformula", Big Daddies to "Patri-Arkhs", Apollo Square to Mithra Square, and most interestingly, Little Sisters were changed to small, chipmunk-like creatures.