Detective Inspector Napoleon "Bony" Bonaparte is a fictional character created by Australian novelist Arthur Upfield (1890–1964). Bony is a biracial Aboriginal Australian detective with a reputation for solving difficult cases by finding subtle clues. Upfield introduced the character in his 1929 novel The Barrakee Mystery. 29 novels featuring the character were published. Upfield said that he based the character on Tracker Leon, a biracial Aboriginal Australian man who worked for the Queensland Police.