- Mouse is a G.I. Joe character from the live-action film continuity. He is played by Joseph Mazello, widely known for Jurassic Park and The Pacific. The character uses a sniper rifle that fires bullets with cameras on them.
Retaliation (2013 Movie)
- Portrayed by Joseph Mazzello.
- In the DMZ, Korea, Roadblock calls him "Private Gaines."
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