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===Silver Age Green Lantern===

==== Hal Jordan ====
{{Main|Hal Jordan}}

The character of Harold "Hal" Jordan was a second-generation [[test pilot]], having followed in the footsteps of his father. He was given the power ring and battery (lantern) by a dying [[Extraterrestrial life|alien]] named [[Abin Sur]], whose [[Starship|spaceship]] crashed on [[Earth]]. Abin Sur used his ring to seek out an individual who was "utterly honest and born without fear" to take his place as a member of the corps. At one point, when Hal Jordan was incapacitated, it was revealed that there were two individuals matching the specified criteria on Earth, the other being [[Guy Gardner (comics)|Guy Gardner]], and the ring chose Jordan solely because of his proximity to Abin Sur. Gardner then became listed as Hal's "backup", even though he had a strong friendship with Barry Allen (The Flash). Gardner would fill in if Jordan was unavailable or otherwise incapacitated. Later, when Gardner was put into a coma, it turned out that by then there was a third human suitable for the task, [[John Stewart (comics)|John Stewart]], who was designated as the Earth Sector's "backup" Lantern. Jordan, as Green Lantern, became a founding member of the Justice League of America and as of the mid-2000's is, along with John Stewart, one of the two active-duty Lanterns in Earth's sector of space.

Jordan also automatically became a member of the Green Lantern Corps, a galactic "police" force which bears some similarities to the "[[Lensman series|Lensmen]]" from the science fiction series written by [[E. E. Smith|E.E. Smith]], although both creators Julius Schwartz and John Broome denied ever reading Smith's stories.<ref name="Lensmen">{{Cite news | last=Thomas | first=Roy | title=The Lensman Connection | periodical=Alter Ego | volume=3 | issue=10 | year=2001 | page=24 }}</ref> Nevertheless, the early 1980's miniseries "Green Lantern Corps" honors the similarity with two characters in the corps: [[List of Green Lanterns#Eddore|Eddore of Tront]] and [[Arisia Rrab|Arisia]].

Following the rebirth of Superman and the destruction of Green Lantern's hometown of Coast City in the early 1990s, Hal Jordan seemingly went insane and destroyed the Green Lantern Corps and the Central Power Battery. Now calling himself [[Parallax (comics)|Parallax]], Hal Jordan would devastate the DC Universe on and off for the next several years.  However, after Earth's sun was threatened by a Sun-Eater, Jordan sacrificed his life, expending the last of his vast power to reignite the dying star.  Jordan subsequently returned from beyond the grave as the [[Spectre (DC Comics character)|Spectre]], the divine Spirit of God's Vengeance, whom Jordan attempted to transform into a Spirit of Redemption, which ended in failure.

In ''[[Green Lantern: Rebirth]]'', it is revealed that Jordan was under the influence of a creature known as [[Parallax (comics)|Parallax]] when he turned renegade.  Parallax was a creature of pure fear that had been imprisoned in the Central Power Battery by the Guardians of the Universe in the distant past.  Imprisonment had rendered the creature dormant and it was eventually forgotten, becoming known merely as the "yellow impurity" in the power rings. [[Sinestro]] was able to wake Parallax and encourage it to seek out Hal Jordan as a host. Although Parallax had been trying to corrupt Jordan (via his ring) for some time, it was not until after the destruction of Coast City that it was able to succeed. It took advantage of Jordan's weakened emotional state to lure him to Oa and cause him to attack anyone who stood in his way. After killing several Green Lanterns, Jordan finally entered the Central Power Battery and absorbed all the power, unwittingly freeing the Parallax entity and allowed it to graft onto his soul.

The Spectre bonded with Jordan in the hopes of freeing the former Green Lantern's soul from Parallax's taint, but was not strong enough to do so. In ''Green Lantern: Rebirth'', Parallax began to assert control of the Parallax-Spectre-Jordan composite. Thanks to a supreme effort of will, Jordan was able to free himself from Parallax, rejoin his soul to his body and reclaim his power ring. The newly revived (and rejuvenated) Jordan awoke just in time to save [[Kyle Rayner]] and [[Green Arrow]] from Sinestro. After the Korugarian's defeat, Jordan was able to successfully lead his fellow Green Lanterns in battle against Parallax and with help from Guardians Sayd and Ganthet, imprisoned it within the personal power batteries of Earth's Lanterns, rendering the Green Lantern's rings free of the yellow impurity, provided they had the power of will to do so.
Hal Jordan is once again a member of both the Justice League and the Green Lantern Corps, and along with John Stewart is one of the two Corps members assigned to Sector 2814, personally defeating Sinestro in the [[Sinestro Corps War]]. Jordan is designated as Green Lantern 2814.1.

Post-''[[Sinestro Corps War]]'', [[DC Comics]] revisited the origin of [[Hal Jordan]] as a precursor to ''[[Blackest Night]]'' storyline, the next chapter in the [[Geoff Johns]] era on ''Green Lantern''.
Hal Jordan is the Green Lantern portrayed by [[Ryan Reynolds]] in the 2011 ''[[Green Lantern (film)|Green Lantern]]'' film.