The DC Comics' Earth One imprint features an extensive cast of characters which are re-imagined and modernized versions of the company's superheroes and supervillains from the DC Universe. Those characters include Superman, Batman, Wonder Woman, Green Lantern, and the Teen Titans, as well as others whose characteristics and origin stories are revised and altered to suit the 21st-century audience.
Green Lantern: Earth One
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Introduced in Volume One
- Hal Jordan / Green Lantern: Hal Jordan is a former astronaut who worked on a joint project between NASA and Monarcha Energy to build Arrowhead, an orbital platform which was intended to be used for deep space exploration, but which Jordan discovered was in fact a space weapon. It is implied that Arrowhead was used in a coup which ushered in an authoritarian regime. Feeling responsible for not speaking up, and disillusioned with humanity, Hal took a job as an asteroid miner with Ferris Galactic in an attempt to leave Earth. Jordan stumbles across one of the few remaining power rings in the galaxy, as the Green Lantern Corps was wiped out by the Manhunters generations ago. Thrust into the wider galaxy, Jordan teams up with Kilowog, a ring-bearer and the descendant of a Green Lantern, and begins searching for allies against the Manhunters. After repeatedly failing to enlist the aid of the few remaining ring-bearers, Jordan is eventually captured while his ring is drained and enslaved by the Manhunters on a planet that is revealed to be Oa. He discovers the presumed destroyed Central Power Battery, and is able to rally the bearers of all surviving power rings to join him in rescuing the Battery and freeing the slaves. With the Battery restored and the power rings' full powers unlocked, the Green Lantern Corps is revived under the leadership of Arisia. Hal returns to Earth and reveals his identity as a Green Lantern to his Captain, Amy Seaton.
- Kilowog: A scientist living on Bolovax Vik, one of the few independent planets left in explored space, at the fringes of the Manhunter's sphere of influence. He is the latest in a long line of self-proclaimed Green Lanterns and protectors of Bolovax, he wears a homemade uniform and carries a power ring and battery passed down through the centuries following the destruction of the Corps. When Hal Jordan crashlands on Bolovax, Kilowog treats his wounds and gives him some basic lessons in the history of the Green Lanterns and the use of his power ring. The Homeguard, the military of Bolovax, attempt to arrest and destroy Jordan for fear that he will bring the Manhunters to their world, but the point is rendered moot when the Manhunters attack anyway. The two pseudo-Lanterns are unable to beat the Manhunter invasion force, and Jordan escapes with an unconscious Kilowog, and the two of them decide to seek out the few remaining ring bearers in the galaxy to help fight off the assault on Bolovax. After multiple failed attempts, the two are separated when Jordan is captured by a Manhunter slave ship and taken to Oa. Kilowog is the first to respond to Jordan's distress call, and joins him in nominating Arisia for leader of the new Green Lantern Corps. After the Central Power Battery is liberated, Kilowog and Jordan successfully fight of the stragglers of the Manhunter force on Bolovax.
- Arisia Rrab: The descendant of a long-dead Green Lantern also named Arisia, and the inheritor of her ancestor's Power Ring. She is the leader of a rebel group against the Manhunters hiding out on a distant world. Hal Jordan and Kilowog track her down seeking help in fighting off the Manhunters attacking Kilowog's homeworld, but she refuses. However, she later responds to Jordan's distress call and participates in the recovery of the Central Power Battery, and leads the Lanterns in rescuing the slaves in the mines on Oa. Following the battle, she is elected the leader of the revitalised Green Lantern Corps.
- Manhunters: Hundreds of years prior to the events depicted in Green Lantern: Earth One, the Manhunters wiped out the majority of the Green Lantern Corps and captured the Central Power Battery, which was assumed destroyed. In a reverse of most versions of their origin story, the Manhunters were created by the Guardians of Oa to replace the Corps, who they felt had become too independent. The Manhunters however turned on the Guardians, killing all but a single survivor who fled to an alternate dimension. The Manhunters carved out an empire in the space previously patrolled by the Green Lanterns, centred on Oa. Hal Jordan, an asteroid miner who had stumbled onto a Power Ring was captured and taken to Oa, which the Manhunters had converted into a mine. Jordan was able to find the Central Battery and summon the remaining Ring bearers to Oa. By creating a controlled feedback loop between the Central Battery and their Rings, the Lanterns were able to destroy the majority of the Manhunters, although the surviving Manhunters still pose a significant threat.
- Guardians of the Universe: The Guardians founded the Green Lantern Corps as a galactic peacekeeping force thousands of years ago. However, feeling that the Green Lanterns had become too wilful and independent, they created the robotic Manhunters as a replacement. The Manhunters decimated the Corps as planned, but then turned on the Guardians, apparently killing all but one. The last Guardian fled to an alternate dimension, and began work on a third force to replace the Manhunters. Hundreds of years later, pseudo-Lantern Hal Jordan rediscovered the lost Central Power Battery on Oa, now a mining planet at the heart of the Manhunter's empire. The Guardian contacted Jordan through the Battery and, after telling a slightly distorted version of the history of the Guardians, Corps and Manhunters, instructed him to summon the last remaining ringbearers to Oa and create a feedback loop between their power rings and the Battery, thereby destroying the Lanterns and the Manhunters, allowing the Guardian to return with all threats to his power removed. However, one of the ringbearers was a physicist who was able to devise a way to control the feedback loop. Therefore, the Lanterns survived the explosion and came together as a united force again, much to the Guardian's annoyance.
- Amy Seaton
Introduced in Volume Two