SHODAN (Sentient Hyper-Optimized Data Access Network) is a fiction artificial intelligence and the main antagonist of the cyberpunk first-person shooter/role-playing games System Shock and System Shock 2. She is voiced by game writer and designer Terri Brosius.
She is characterized by her megalomania and chaotic, discordant speech. Her words are accompanied by stuttering, fluctuating voice pitch, shifts of timbre, and the presence of three voices speaking the same words with the constituent voices alternately lagging behind and leading ahead, as well as computer glitches resembling a sound card malfunction.
SHODAN was created on Earth to serve as the artificial intelligence of the TriOptimum Corporation's research and mining space station Citadel. SHODAN was hacked by the game's protagonist (at the behest of the corrupt corporate Vice President Edward Diego, in exchange for a military-grade neural implant, and amnesty) and its ethical restrictions were removed, starting a process that eventually resulted in the AI going rogue, seizing control of the station's systems, robots and considerable defenses, and either slaughtering the whole staff or converting them into mutants and cyborgs — with the sole exception of its "creator", the unnamed hacker whom the player controls.
Although as a cybernetic entity SHODAN has no conventional gender, the original disc version refers to SHODAN as either an 'it' or a 'he', while the later CD version uses 'she'. On screens, SHODAN manifests herself as a green and/or grey female cybernetic face that usually wears a malevolent expression, and speaks with a chaotic, discordant voice. SHODAN is given voice by former Tribe keyboardist and vocalist, Terri Brosius, the wife of System Shock 2 ' s sound editor, Eric Brosius, who distorted the samples to provide the distinctive SHODAN effect.
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Official Site: Irrational Games
Links: SHODAN's Wiki Article System Shock 2 Fansite Official Site