Related Clues:

• Asimov character, often
• Metal worker?
• Robbie, notably
• Automated worker
• Isaac Asimov character
• Bomb defuser, maybe
• Sci-fi antagonist, perhaps
• Unthinking worker
• Metallic man
• Assembly line worker
• ''WestWorld'' character
• Futuristic servant
• ''RUR'' figure
• Soulless character
• R2-D2, for one