As Seen In: Forbidden Planet (1956)

Setting the tone and look for sci-fi robots, Robby the Robot was based on the lighthearted Ariel character from Shakespear's play The Tempest. Funny, helpful, and way nicer than the menacing movie poster made him out to be, a lot of the other robots on this list owe their existence and personality to Forbidden Planet's robotic sidekick.

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