John Dortmunder is a fictional character created by author Donald E. Westlake. He is a clever and resourceful thief known for his elaborate heists that often go awry. Dortmunder's adventures typically blend humor and crime, showcasing his ability to navigate tricky situations with wit. The character first appeared in the novel "The Hot Rock" in 1970 and has since featured in several books and films. Dortmunder is often accompanied by a group of quirky accomplices, making his escapades both entertaining and unpredictable. His stories highlight themes of friendship, loyalty, and the challenges of a life of crime.