This is a damn shame.
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Lucasfilm sound engineer David Acord loves his Philadelphia Eagles. When he was tasked with devising a language for the reptile-like alien Teedo in 2015’s Star Wars: The Force Awakens, Acord had the beast say “Celek” and “Fletcher” onscreen. This was a reference to Eagles tight end Brent Celek and defensive tackle Fletcher Cox. For Rogue One: A Star Wars Story, Acord passed off an Esperanto translation of “Fly, Eagles Fly” as a mystical Jedha City chant.