GLaDOS (Genetic Lifeform and Disk Operating System)[1] is a fictional character from the video game series Portal. The character was created by Erik Wolpaw and Kim Swift and voiced by Ellen McLain. GLaDOS is depicted in the series as an artificially superintelligent computer system responsible for testing and maintenance in the Aperture Science Computer-Aided Enrichment Center in all titles. While GLaDOS initially appears in the first game to simply be a voice that guides the player, her words