Celia Strain is an artist who specializes in animal portraiture and scientific illustration. In the 1980s she produced several promotional posters for National Public Radio, including one for the Star Wars radio drama. The poster depicts C-3PO wearing headphones and standing in front of an old-fashioned microphone: this alludes to NPR's intention to revive a lost art form from the golden age of radio - updating it to feature recognizable imagery from .