Officer O'BrienBack to Supporting Cast Main > Officer O'Brien
Real Identity: Officer O'Brien
Affiliations: Gotham City Police Department
Appearances: Broken, Sacrifice, and Nexus
Powers/Skills: Law Enforcement
Voiced By: Michael Patrick McGill
Officer O'Brien is a police officer with the Gotham City Police Department. While out on patrol with his partner, O'Brien encountered a giant toy soldier. After clearing the scene, O'Brien radioed headquarters but the soldier opened fire on them. O'Brien and his partner returned fire and disarmed the soldier. They discovered a man was trapped inside. O'Brien was part of the team that responded to a break in at the Contagion Research Center. He manned a police mobile command unit and got access to the center's security feed.