The voice of GlaDOS says she dreams about murdering people

We said earlier this year that Portal is "more sinister than you remember," a quality that arises largely from the presence of GlaDOS, the primary antagonist of the series, who's basically a passive-aggressive Shodan. In a recent interview with Kiwi Talkz (embedded above), GlaDOS voice actor Ellen McLain gave a little bit of a clue as to how she was able to pull that off so successfully: She occasionally dreams about murdering people...
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