CB4 is a 1993 American satirical mockumentary black comedy film directed by Tamra Davis and starring Chris Rock. The film follows a fictional rap group named "CB4", named after the prison block in which the group was allegedly formed. The movie primarily parodies gangsta rap and the rap group N.W.A, as well as taking inspiration from This Is Spinal Tap. It contains short segments featuring celebrities and musicians such as Halle Berry, Eazy-E, Butthole Surfers, Ice-T, Ice Cube, Flavor Flav, and Shaquille O'Neal.

Christopher Julius Rock is an American comedian, actor, and filmmaker. Rock first gained prominence for his stand-up routines in the 1980s, where he tackled subjects including race relations, human sexuality, and observational comedy. His success branched off into productions in film, television, and on-stage, having received multiple accolades including three Grammy Awards for Best Comedy Album, four Primetime Emmy Awards, and a Golden Globe Award nomination. He was ranked No. 5 on Comedy Central's list of the 100 Greatest Stand-ups of All Time. He also ranked No. 5 on Rolling Stone's list of the 50 Best Stand-Up Comics of All Time.