MJZZ (pronounced "M jazz") is a fictional radio station that specializes in Jazz music. One of its most popular DJs is Nocturnal Ned who presents morning and evening shows for the station. According to the episode "Sally's Comet", MJZZ broadcasts around the 900 AM frequency. It is likely inspired by the radio station KMHD which is an FM jazz radio station located in the Portland, Oregon area and it was created around the time when Craig Bartlett started his career.