Jackie Cogan is a fictional character from the novel "Cogan's Trade," written by George V. Higgins. The story revolves around Cogan, a professional hitman, who is hired to restore order after a heist disrupts the local criminal underworld. The character is known for his calm demeanor and strategic thinking, making him a formidable figure in the crime world. The novel was adapted into the film "Killing Them Softly," released in 2012, where Jackie Cogan is portrayed by actor Brad Pitt. The film explores themes of morality and the impact of economic downturns on crime, showcasing Cogan's methods and philosophy in dealing with chaos.