Raoul Duke is the partially fictionalized author surrogate character and sometimes pseudonym used by Hunter S. Thompson as the main character and antihero for many of his works. He is perhaps best known as the narrator for his 1971 autobiographical novel Fear and Loathing in Las Vegas. The book was originally written under the name Raoul Duke. The character wears a bucket hat and yellow tinted aviator sunglasses.

Hunter Stockton Thompson was an American journalist and author. He rose to prominence with the publication of Hell's Angels (1967), a book for which he spent a year living with the Hells Angels motorcycle club to write a first-hand account of their lives and experiences. In 1970, he wrote an unconventional article titled "The Kentucky Derby Is Decadent and Depraved" for Scanlan's Monthly, which further raised his profile as a countercultural figure. It also set him on the path to establishing his own subgenre of New Journalism that he called "Gonzo", a journalistic style in which the writer becomes a central figure and participant in the events of the narrative.