Chewbacca first appeared as Han Solo's Wookiee co-pilot in Star Wars in 1977, and his distinctive roar quickly became one of the most recognisable sounds in film. Across sequels, games and animated series, the growl has been reused whenever the character reacts with loyalty, frustration or triumph, helping audiences identify him without a single word of dialogue. Online, creators have lifted the short roar for memes and reaction edits because it instantly signals a big, hairy, loveable presence, keeping it familiar to new generations who may never have seen the original films.