abstract:GLaDOS, short for Genetic Lifeform and Disk Operating System, is a fictional artificially intelligent computer system and the main antagonist in the video game Portal as well as the first half of its sequel, Portal 2. She was created by Erik Wolpaw and Kim Swift and is voiced by Ellen McLain.
The sequel to the multi-award winning 2007 Portal game pits the player against GLaDOS, the AI bad guys behind the laboratory setup featured in the first game, PC World reports.