Cheese was the call-sign of a Marine in Shane Schofield's unit.
Through unknown circumstances, the soldier known by the call-sign Cheese joined the United States Marine Corps, where he eventually earned his call-sign.
Cheese acomapnied Schofield, Mother, Paulo Sanchez, Bigfoot, Astro, Hulk, and several other Marines onto the Nimtz while it was stranded on Hell Island. When Schofield's unit takes the bridge, they hear the call from Gator and his SEAL team as they are attacked. Schofield and his group went down to the hangar to investigate.
While in the hangar, they are attacked by a force of gorillas and Cheese was shot and killed by a modified weapon made for thr gorillas while the gorillas climb over to the marines via the ceiling.