"Green Lantern" is the codename of a fictional superhero who appears in comic books published by DC Comics. It is both the name given to the superhero and the Green Lantern Corps. They fight evil with the aid of rings which grant them a variety of extraordinary powers.
The first Green Lantern was created in 1940 during the first superhero craze, which began with Superman. Alan Scott usually fought common criminals in New York with the aid of his magic ring. Publication ceased in 1949 during a general decline in the popularity of superhero comics.
In 1959, to capitalize on the booming popularity of science fiction, the Green Lantern character was reintroduced. Hal Jordan works for an interstellar law enforcement agency known as the Green Lantern Corps. Over the years, DC Comics has introduced a number of additional Green Lanterns. The most prominent of these are Guy Gardner, John Stewart, and Kyle Rayner.
Green Lanterns are also Space police. Non-Human Green Lanterns include Kilowog, AA, Sinestro, Tomar-Re, and Abin Sur
The Green Lanterns are among DC Comics' more successful properties. They have been adapted to television, video games and one motion picture.