Related Clues:

• Sci-fi extra
• R2-D2 or C-3PO
• R2-D2, e.g.
• C-3PO, e.g., for short
• R2-D2 or C3PO
• C-3PO, e.g
• Sci-fi figure
• C-3PO, for one
• Sci-fi servant
• R2-D2 or C-3P0, e.g.
• R2-D2, notably
• R2-D2, for one
• WALL-E, e.g.
• Intelligent bot
• Artoo, for one