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GLaDOS (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 in the first half of its sequel, ''Portal 2'', after which she partners with player character Chell. Created by Erik Wolpaw and Kim Swift and voiced by Ellen McLain, she is responsible for testing and maintenance in the Aperture Science research facility in both titles. While GLaDOS initially appears to simply be a voice that guides the player, her words and actions become increasingly malicious as she makes her intentions clear. The game reveals that she is corrupted and used a neurotoxin to kill the scientists in the laboratory before the events of ''Portal''. She is ostensibly destroyed at the end of the first title by Chell, but is revealed to have survived in the game's closing credits song, "Still Alive". The inspiration for the character's creation extends from Wolpaw's use of a text-to-speech program while writing lines for the video game ''Psychonauts''. Other game developers working on ''Psychonauts'' found the lines funnier as a result of the synthesized voice. GLaDOS was originally intended to be present solely in the first area of ''Portal''; she was well received by other designers and her role was expanded as a result. Play testers were motivated to complete tests in the game due to her guidance. While the game was initially designed with other characters, they were later removed, leaving GLaDOS as the only character players encounter. The physical appearance of GLaDOS went through several designs, one of which featured a large disk below her. McLain imitated dialog read aloud by a speech synthesizer with her own voice, which was then processed to sound more robotic, and performed songs in character during the closing credits of both entries in the series. "Still Alive" became hugely successful, notably appearing in the ''Rock Band'' game series, and has been a popular song for YouTube users to cover. GLaDOS has been well received by critics and gamers, some of whom called her narcissistic, passive-aggressive, sinister, and witty. She is considered one of the greatest video game characters, particularly among those created between 2000 and 2009. Universally praised for her contributions to the caliber of ''Portal''s narrative, GLaDOS received multiple awards for being the best new game character in 2007 from GameSpy, ''GamePro'', and ''X-Play''. A number of publications listed her as one of the all-time greatest video game villains, including IGN and ''Game Informer'', both of which ranked her first. She has been the subject of significant critical analysis from both journalists and game developers, who have compared her to other villainous computer systems in fiction, including HAL 9000 from ''2001: A Space Odyssey'' and SHODAN from ''System Shock''. ==Description== For much of ''Portal'', GLaDOS serves solely as the narrator, guiding players through the test chambers. Her voice is robotic, but distinctly female. Over time, players learn that she is in fact leading the player-character Chell to her death as, for reasons unknown even to GLaDOS, she hates Chell, though she assumes that someone as intelligent as her could not hate someone for no reason and rationalizes that Chell must deserve it somehow. Her personality has been described as passive-aggressive, witty, narcissistic, and sinister. She has a number of system personality cores installed into her, partly in order to prevent her from killing anyone (other than the ones she already did before the failsafes were installed). At the climax of the game, Chell enters GLaDOS' chambers, where it's revealed that she's actually a complex artificial intelligence system composed of robotic parts hanging from a larger device. Once the player removes the first personality core, the morality core, GLaDOS' voice becomes less robotic and more sensual. Originally, GLaDOS was designed as an artificial intelligence and research assistant meant to aid Aperture Science in competing with the Black Mesa Research Facility on the creation of portal technology. Later proposed uses for GLaDOS included implementation as a fuel line ice inhibitor and disk operating system. GLaDOS is installed to serve as the Enrichment Center's central control computer, mounted in a large, sealed chamber alongside several control consoles and an incinerator, the latter being her eventual demise. Wheatley, a personality core previously attached to GLaDOS at a nondescript time, is introduced in ''Portal 2''. He was designed with the purpose of giving her bad ideas and inhibiting her personality. Through Wheatley, it's understood by the player that while GLaDOS is attached to the Aperture Science facility, she is driven to test due to a euphoric sensation induced by its completion. Upon being disconnected from the Aperture Science facility, GLaDOS treats Chell with more civility. The player then learns that GLaDOS' personality was inherited from that of Caroline, a former personal assistant to the CEO of Aperture Science, Cave Johnson; and is much warmer to Chell when under Caroline's influence. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GLaDOS」の詳細全文を読む スポンサード リンク
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