Every character in the Star Wars saga has a story to tell. That's been a part of its magic from the beginning, and the franchise has done its best to honor the tradition whenever it can. Supporting figures and background extras alike all carry the organic feel of real beings going through their lives, which does wonders for bringing George Lucas' galaxy far, far away to life. It also helps keep ancillary products rolling, as novels, comic books and video games can always find an interesting character in a random shot somewhere to flesh out into a full-bore narrative.
Source:https://www.cbr.com/rebellion-arvel-crynyd-not-enough-credit-star-wars/