In 1996, the Moccasins name and image were dropped in favor of the shortened "Mocs" and an anthropomorphized northern mockingbird, in accordance with the state bird, named "Scrappy" dressed as a railroad engineer. The school's main athletic logo features Scrappy riding a train (a reference to Chattanooga's history as a major railroad hub and to the song "Chattanooga Choo Choo"). The mascot takes its name from former football coach A. C.