Abin Sur (Earth-2516)

Abin Sur was a member of the Green Lantern Corps and former history professor at his homeworld of Ungara. One of the greatest Lantern of them all, Sur was mortally wounded by a vengeful Atrocitus, and fled to Earth, where he gave his power ring to Hal Jordan before dying.

Biography
Abin Sur was recruited to serve the Green Lantern Corps by Green Lantern Starkaðr, having arrived on planets across the sector multiple times, including Earth. After becoming a Lantern, he went into multiple missions, one which included operating on Earth during the Old West, where he met Henry Lee Jordan that helped him take down the alien Traitor.