Abin Sur is a fictional character and a superhero from the DC Comics universe. He first appeared in Showcase #22 (September-October 1959): "SOS Green Lantern". He was a member of the Green Lantern Corps and is best known as the predecessor of Green Lantern Hal Jordan, whom Abin Sur's power ring chose as his replacement. In the Post-Infinite Crisis continuity, he was revealed to be a brother-in-law of Sinestro and uncle of his daughter, Soranik Natu.
Originally a history professor on the planet Ungara, Abin Sur is appointed Green Lantern of Space Sector 2814 in the mid 1860s. As a child, he became best friends with Ruch Ehr and later, by association, Munni Jah. The two of them were a couple and Abin secretly loved Munni, but never spoke openly of this.
Recruited by the Green Lantern known as Starkaor, he is known to have come to Earth on several occasions. In the American Old West, he teams up with an ancestor of Hal Jordan's to battle an alien named Traitor (who was responsible for the death of Starkaor). During World War II, he encounters Starman and Bulletman when the three battle an alien being under the control of Mr. Mind. On a later visit, his ring's power is neutralized by the foe he was tracking. He discovers the unconscious forms of Alan Scott and Jay Garrick, and borrows Scott's slightly different ring. He used it against his adversary, taking advantage of the ring's effectiveness against the color yellow. He also visits Earth at some point between the Golden and Silver Ages, when he encountered the Martian Manhunter.
While on patrol, he is attacked and pursued by the being known as Legion while on its way to Oa. Badly injured and with his spaceship seriously damaged, he makes an emergency landing on the nearest habitable planet (Earth). Due to his injuries, Sur was aware that his death was inevitable and he uses his ring to search for a successor. The first possibility was Clark Kent. Since he was not native to earth, he is not chosen. The next candidates were Hal Jordan and Guy Gardner. As Jordan was closer, the ring chose him as the most suitable replacement right before Sur's death.
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