He killed some fellow Green Lanterns who opposed him and all the Guardians save for one, Ganthet. Jordan went on a rampage on the planet Oa, the planetary citadel of the Guardians of the Universe, who oversee and administer the Green Lantern Corps. This caused Jordan to become the villain Parallax.

3) #48 (January 1994), involved Hal Jordan descending into madness following the complete destruction of his home town, Coast City, by the villain the Cyborg Superman. The storyline, Emerald Twilight, which began in Green Lantern (vol. In 1994, DC Comics decided to do away with Hal Jordan, who had been the primary Green Lantern of Earth since his first DC Comics appearance in 1959, and replace him with a new character to carry on the Green Lantern legacy, Kyle Rayner. In addition, the GLC power ring's flaw of being unable to directly affect the color yellow is significantly weakened, allowing experienced Corps members to overcome it if they can conquer their fear. It revived elements of the Green Lantern mythos including the Guardians of the Universe, Kilowog and the villain Sinestro, while introducing new concepts such as the emotional spectrum. The series starred various members of the intergalactic police force known as the Green Lantern Corps, Kyle Rayner, John Stewart and Guy Gardner. The storyline follows the 'rebirth' of the Silver Age Green Lantern Hal Jordan as he overcomes fear itself in the form of the cosmic entity Parallax.

Published by DC Comics between October 2004 and May 2005, the series featured characters from throughout the sixty-year history of Green Lantern comics. Green Lantern: Rebirth was a six-issue monthly American comic book limited series written by Geoff Johns and illustrated by Ethan Van Sciver. Cover of Green Lantern: Rebirth hardcover collection.

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