- Mouse is a G.I. Joe character from the live-action film continuity. He is played by Joseph Mazello, widely know for Jurassic Park and The Pacific. He uses a sniper rifle that fires bullets with cameras on them.
Retaliation (2013 Movie)
- Portrayed by Jospeh Mazzello.
- His real name could be mentioned in the movie.
- In DMZ, Korea, Roadblock calls him "private Gaines."
- After the Joes retrieved the nuke in Pakistan, they returned to their camp in the desert, Duke calls Mouse "tiny Tim," when they walked out from the truck.