The Raoul Duke costume from "Fear and Loathing in Las Vegas" is a bold and iconic ensemble that captures the essence of Johnny Depp's character. The centerpiece is a loud and colorful Hawaiian shirt, worn untucked and open, embodying Raoul Duke's rebellious nature. To complete the look, add aviator sunglasses and a bucket hat with a matching pattern. This ensemble embodies the eccentricity and chaos of Raoul Duke's unforgettable adventures.

With these key elements, your Raoul Duke costume will be a visually striking and eccentric choice for those looking to embody the essence of this unforgettable character from "Fear and Loathing in Las Vegas." Just remember to embrace the madness and mayhem that comes with it!