John James Rambo (born July 6, 1947) is a fictional character in the Rambo franchise. He first appeared in the 1972 novel First Blood by David Morrell, but later became more famous as the protagonist of the film series, in which he was played by Sylvester Stallone. The portrayal of the character earned Stallone widespread acclaim and recognition. The character was nominated for American Film Institute's list 100 Years…100 Heroes and Villains. The term "Rambo" is used commonly to describe as a lone wolf who is reckless, disregards orders, uses violence to solve problems, enters dangerous situations alone, and is exceptionally tough, callous, raw and aggressive.
Source: Wikipedia, "[en.wikipedia.org/wiki/John_Rambo John Rambo]", available under the CC-BY-SA License.