1) James Fenimore Cooper - Natty Bumppo
Natty Bumppo is a fictional character and the protagonist of The Leatherstocking Tales (1827-41), which are a series of five novels written by Cooper.
2) Nathaniel Hawthorne - Great stylist
Hawthorne is one of the novelists who greatly contributed to the evolution of modern American literature, and whose style is still regarded as unique, thoughtful, genius, effective, and one that matched perfectly with his dark romanticism themes. He indeed was a great stylist.
3) Herman Melville - The South Seas
Herman Melville was an American novelist whose trips to the South Seas or South Pacific, inspired his narratives "Typee" (1846) and "Omoo: A Narrative of Adventures in the South Seas" (1847), a sequel to his first novel.
4) Henry James - The supernatural
Several of Henry James's works were characterized for having a ghost story as a subgenre, such as in the novel "The Jolly Corner" (1908), in which the protagonist and a ghost-doppelganger live alternative American and European lives.
5) Samuel Langhorn Clemens - The Mississippi
Although Samuel Langhorn Clemens, also known as Mark Twain, is best known for his famous novels The Adventures of Tom Sawyer (1876) and the Adventures of Huckleberry Finn (1885), he also wrote more simple works such as Life on the Mississippi (1883), which it's is a travel book and a memoir and of his days as a steamboat pilot on the Mississippi River before the American Civil War.