Daisy Fay Buchanan is a fictional character in F. Scott Fitzgerald's 1925 novel The Great Gatsby. The character is a wealthy socialite from Louisville, Kentucky who resides in the fashionable town of East Egg on Long Island during the Jazz Age. She is narrator Nick Carraway's second cousin, once removed, and the wife of polo player Tom Buchanan, with whom she has a daughter. Before marrying Tom, Daisy had a romantic relationship with Jay Gatsby. Her choice between Gatsby and Tom is one of the novel's central conflicts. She was described by Fitzgerald as a "golden girl".

Nick Carraway is a fictional character and narrator in F. Scott Fitzgerald's 1925 novel The Great Gatsby. The character is a Yale University alumnus from the American Midwest, a World War I veteran, and a newly arrived resident of West Egg on Long Island, near New York City. He is a bond salesman and the neighbor of enigmatic millionaire Jay Gatsby. He facilitates a sexual affair between Gatsby and his second cousin, once removed, Daisy Buchanan which becomes one of the novel's central conflicts. Carraway is easy-going and optimistic, although this latter quality fades as the novel progresses. After witnessing the callous indifference and hedonism of the idle rich during the riotous Jazz Age, he ultimately chooses to leave the eastern United States forever and returns to the Midwest.