This page covers the DC comicbook concept Green Lantern . If this is not the page you were looking for check here.
A Green Lantern is equipped with an item that is regarded as one of the most powerful weapons in the DC Universe, called a Lantern Power Ring. The Power Ring enables its bearer to manifest their thoughts into hard-light constructs and other various properties only limited by the ring's amount of power and the user's willpower and imagination. The Power Ring is based on advanced technology rather than having its power magically derived.
Mainly, the ring is used for antigravity, to unleash torrents of energy, to translate alien dialects and to create hard-light constructs of any shape or complexity. Though in the past it has been unable to affect yellow-colored objects, this Impurity has been overridden by Hal Jordan's will.
The ring must be periodically charged by contact with a Power Battery (a.k.a. Lantern) which in turn draws energy from the Guardians Of The Universe' Central Power Battery on the planet Oa, the central headquarters of the Green Lantern Corps at the center of the universe.
Green Lantern of Earth
While the title of Green Lantern is bestowed upon anyone in the Green Lantern Corps there are several superheroes associated with the Earth in the DC Universe (and the sector designated as sector 2814).
Alan Scott - Alan Scott was the original Green Lantern, and unlike the others his title had nothing to do with the Corps. His powers are derived from a magical artifact called the Starheart rather than the advanced technology that makes up the Power Ring. Alan also originally came from a parallel version of Earth known as Earth-2.
Hal Jordan - The first Green Lantern of DC's mainstream continuity's Earth, Hal Jordan was given his power ring by the dying Lantern Abin Sur when his spaceship crashed on Earth. Hal Jordan would be the first human Green Lantern of sector 2814. His first appearance was in Showcase #22 in 1959.
John Stewart - John Stewart was chosen to become the Green Lantern of Earth after Hal Jordan gave up his position and Guy Gardner was injured.
Guy Gardner - When Abin Sur's spaceship crash-landed on Earth his Power-Ring logged Guy Gardner away as a "backup" Green Lantern of Earth. Guy became a full-fledged Green Lantern after John Stewart.
Kyle Rayner - Kyle was selected by Ganthet to be the Green Lantern of Earth after Hal Jordan was infected by the demon Parallax.
Green Lantern oath which was chanted when recharging the power ring: (Power enough for 24 hours)
The Silver Age
In this age the identity of Green Lantern was Hal Jordan. He was a pilot that participated in tests, but one day, an alien named Abin Sur gave Jordan a power ring, and now , he was part of the Green Lantern Corps, this was a police organization that engage the evil an all the universe. The ring of the Green Lantern Corps were useless with the color yellow.
In the Silver Age Hal Jordan formed part of the Justice League of America. Hal Jordan suffered the destruction of his hometown, and then he went to the Green Lantern Corps and destruyed it all. Now, Hal Jordan insane, called himself Parallax and he did many problems in the DC universe. Jordan sacrificed his life to reignited the Son(that was diying because the Red Son, when appeared Superman). Green Lantern became in a Spirit of Redemption, but it was a failure to try to end the Spirit of Vengeance. When Green Lantern rebirth, was influenced by the Parallax, that was imprisoned in the Guardians of the Universe, the Parallax became into a "Yellow Impurity". Sinestro thought that he can released Parallax and then take as a host Jordan, this plan was successfully when the Coast City was destroyed, in that moment, Jordan was vulnerable and the Parallax placed in him. Now, Jordan, was destroying anything that stood on hi way. Jordan free himself from the evil Parallax and then he reclaimed for his ring, Green Lantern awoke and save Green Arrow and Kyle Rayner form Sinestro. Jordan was able to lead now the fellows of the Green Lantern Corps, and they imprisoned the Parallax into the Central Power Battery.
The Guy Gardner
He appeared to replace Abin Sur to became Green Lantern of the sector 2814. So now Guy Gardner was like a "backup" of Jordan. He formed part of the great Honor Guards of the Green Lantern. Then John Stewart took the job of Guy Gardner to became the "backup" of Hal Jordan. When Jordan left for a time, Stewart became Green Lantern as the regular.
In brightest day, In blackest night, No evil shall escape my sight, For those who worship evil`s might, Beware my power! Green Lantern's light.
(This oath was created by writer Alfred Bester.)
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Green Lantern Corps
Lantern Power Ring
Guardians Of The Universe
Parallax
Power Battery
Sinestro Corps
