Nine Pound Hammer, or 9 Pound Hammer, is a hardcore American rock band that has performed multiple songs for a few other adult swim shows. In 12 Oz. Mouse, they perform the intro theme and the closing song for the series. Also, one of the members of the band, Scott Luallen, voices a character on the show named Roostre. They have also created a song for the "Aqua Teen Hunger Force Colon Movie Film For Theatres" titled "Carl's Theme", which is all about the Aqua Teen's neighbor, Carl.