Roz is a character from the Pixar/Disney film Monsters, Inc. She is depicted as a slug-like monster who serves as the key master and administrator on Scare Floor F. In the story, she is secretly the head of the CDA (Children's Defense Agency) operating undercover within Monsters, Inc., and she later reveals connections to the organization in Monsters, Inc. and its prequel/related material. In Monsters at Work, Roz has a twin sister named Roze, continuing the same undercover role within Monstropolis, and Roz’s position and secrecy are central to the plot regarding company manipulations and regulatory oversight.