Portal: Lab Rat

Doug Rattmann, a lab worker at Aperture Science with a history of schizophrenia, who survives GLaDOS's attempt to murder every employee in the Aperture Science facility.Doug Rattmann, a lab worker at Aperture Science with a history of schizophrenia, who survives GLaDOS's attempt to murder every employee in the Aperture Science facility.Doug Rattmann, a lab worker at Aperture Science with a history of schizophrenia, who survives GLaDOS's attempt to murder every employee in the Aperture Science facility.