Related Clues:

• Futuristic servant
• ''RUR'' figure
• Soulless character
• R2-D2, for one
• Android's cousin
• Mechanical worker
• Mindless worker?
• Worker that never gets tired
• Certain bomb squad worker
• "Lost in Space" man
• Asimov subject
• Smart vac, e.g.
• C-3PO or R2-D2
• The iron giant in "The Iron Giant"
• Unthinking servant