Mister J. G. M. Carnehan is a fictional character from the novel "The Man Who Would Be King," written by Rudyard Kipling. He is portrayed as a British adventurer who, along with his companion, seeks to establish a kingdom in the remote regions of Afghanistan. Carnehan's character embodies themes of ambition, colonialism, and the complexities of leadership. In the story, Carnehan's journey reflects the challenges faced by those who venture into unknown territories. His experiences highlight the cultural clashes and moral dilemmas that arise in the pursuit of power and wealth. Ultimately, Carnehan's fate serves as a cautionary tale about the consequences of hubris.