**Buckaroo** is a fictional character and protagonist from the cult classic film *The Adventures of Buckaroo Banzai Across the 8th Dimension*, released in 1984. Portrayed by Peter Weller, Buckaroo is a brilliant polymath who excels as a physicist, neurosurgeon, test pilot, and rock musician. As the leader of the Hong Kong Cavaliers, a band comprised of similarly talented individuals, Buckaroo navigates a world of adventure, fighting against alien threats such as the malevolent Red Lectroids from Planet 10. His unique blend of intellect, charisma, and daring has earned him a dedicated following among fans of science fiction and action genres.