Myrtle Wilson Married lover of Tom Buchanan. Myrtle serves as a representative of the lower class. Through her affair with Tom she gains entree into the world of the elite, and the change in her personality is remarkable. She conducts a secret life with Tom, wherein she exhibits all the power and dominance she finds lacking in her everyday life. She eventually suffers a tragic end at the hands of her lover’s wife.

George Wilson Myrtle’s unassuming husband. He runs a garage and gas station in the valley of ashes and seems trapped by his position in life. Eventually, he finds out about his wife’s double life and his response to it helps drive her to her death. Distraught at what happens, Wilson becomes Fitzgerald’s way of expressing the despair prevalent in the seemingly trapped lower-middle class.

Catherine Sister of Myrtle Wilson who is aware of her sister’s secret life and willing to partake of its benefits.

Meyer Wolfshiem Gatsby’s business associate and link to organized crime. A professional gambler, Wolfshiem is attributed with fixing the 1919 World Series. Wolfshiem helped build Gatsby’s fortune, although the wealth came through questionable means.

Michaelis George Wilson’s restaurateur neighbor who comforts Wilson after Myrtle is killed. One of the few charitable people to be found in the novel.

Ewing Klipspringer Convivially known as Gatsby’s “boarder.” Klipspringer is a quintessential leech, a representative of the people who frequented Gatsby’s partys.

Dan Cody Worldly mentor of Jay Gatsby. Cody took Gatsby under his wing when Gatsby was a young man and taught him much about living adventurously and pursuing dreams.

Henry C. Gatz Father of Jay Gatsby. Comes from the Midwest to bury his son. Gatz serves as a very tangible reminder of Gatsby’s humble heritage and roots.