The Green Lantern Corps is a fictional intergalactic law enforcement agency and superhero team appearing in comics published by DC Comics. They patrol the farthest reaches of the DC Universe at the behest of the Guardians, a race of immortals residing on the planet Oa. According to DC continuity, the Green Lantern Corps have been in existence for three billion years. Currently operating amongst the 3600 "sectors" of the universe, there are 7204 members. Each Green Lantern is given a power ring, a weapon granting the use of incredible abilities that are directed by the wearer's own willpower.
The Green Lantern Corps. Art by Phil Jimenez (penciler and inks), Tom McCraw (colorist)
The DC Universe (DCU) is the shared universe in which most stories in American comic book titles published by DC Comics take place. In context, the term "DC Universe" usually refers to the main DC continuity. It contains such well-known superheroes as Batman, Superman, Wonder Woman, the Flash, Green Lantern, Aquaman, Green Arrow, Shazam, Martian Manhunter, and Cyborg; as well as teams such as the Justice League, the Justice Society of America, the Suicide Squad, Doom Patrol, and the Teen Titans. It also contains well-known supervillains, including the Joker, Lex Luthor, the Cheetah, the Reverse-Flash, Sinestro, Black Manta, Deathstroke, Black Adam, Brainiac, and Darkseid.
Triptych cover from Dark Nights: Death Metal (2020), depicting various characters from the history of the DC Universe, including members of the Justice Society of America, Justice League, Teen Titans, Doom Patrol, New Gods, and Endless. Art by Gary Frank.
A "class photo" of DC Universe characters, circa 1986. In this group shot, each character is drawn by either his or her original artist or an artist closely associated with the character.