in case anyone dosent know glados she is a al super coumpter (gentick lifeform and disk optering sytem) she was once a human as carlion apter sicens as cave jonhson assistant and when convertion gel was made cave john died of the gel and carlion got her brain downloded her brain into a coumpter and 30 yrs later glados (once carlion )she locked down the facility and killed every one inside