R2D2 is shorthand for “Reel 2, Dialogue 2” that was used in George Lucas’ film American Graffiti. He liked the sound of it and re-used it for Star Wars.

R2D2 is shorthand for “Reel 2, Dialogue 2” that was used in George Lucas’ film American Graffiti. He liked the sound of it and re-used it for Star Wars.

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