Sneak Peek into the Gaming Lair: Eighteen Notorious Video Game Villains Who Continue to Haunt Our Dreams
GLaDOS from Portal Series
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GLaDOS, the AI antagonist of the Portal series, is a villain with a twist. Her dry humor and passive-aggressive comments make the deadly tests she puts you through almost bearable. GLaDOS's unique character design and memorable quotes have secured her place as one of the most notorious video game villains.