ORIGIN

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Hank Henshaw, a brilliant scientist at the time, and three of his friends were on returning from space when they encountered a freak radiation storm. The radiation affected the machinery of the vessel and the shuttle crash landed somewhere far away from its intended target. When the four explorers had freed themselves from the wreckage, Hank discovered that his friends Steve and Jim had been horribly transformed. Steve had become living radiation and Jim's body had been destroyed and reformed out of debris from the ship and the surrounding area. Hank's wife Terri seemed to be fine, but Hank himself could feel radiation sickness beginning to eat away at him.

The group went to Metropolis in search of a LexCorp facility (LexCorp had funded the trip) that they could use to fix their mutations but ran into Superman and got into a time consuming fight. Things got worked out but by then the radiation's affects on Hank had begun to show. He flesh was falling off his bones and he was obviously close to death. Terri also started exhibiting symptoms, beginning to fade from existence. Hank tried his hardest to work on a cure for her but he was going fast. While he worked, Steve flew into the sun and Jim killed himself. Hank programmed something fix Terri, but died before he could use it. Thankfully, Superman was still there and he was able to save Terri before she completely disappeared.

Some time later, Hank returned in a new form. When his physical body had died his consciousness had been turned to energy and sent into the machine he had been working at. Somehow he had gotten control over the machinery and was able to form it into a robotic body he could travel around in. His first thoughts once reconstituted were of his wife Terri who had been institutionalized after the traumatic events she had been a part of. Henshaw found Terri but after appearing as a robot and the leaving suddenly when security came, Terri was left even more disturbed than before. When Henshaw heard how his visit had made Terri feel he decided it would be best for him to leave Earth and continue his hunt for knowledge on his own.

Henshaw found his way to Superman's birthing matrix and made it his new body so he could travel space again, absorbing the knowledge of the universe. Superman found him and tried to stop him, but Hank flew away.

Cyborg Superman's origin has been retold a number of times with slight changes (that often show Superman doing things he didn't originally do) each time, but usually with the Cyborg himself narrating. Since Cyborg Superman is obviously insane and hates Superman, some things are clearly false, but with other changes, like the cause of the radiation storm and what happened with Terri, it's hard to tell if these retellings are just the result of a crazy man telling his story or official retcons. For that reason, any changes in the origin are in the following paragraph.

When the Cyborg met Mongul it's revealed that for some reason Henshaw believes that Superman was responsible for his loss of humanity and that he had banished Hank from Earth. When the Cyborg battled Blue Superman at the Source Wall he explained that Superman had caused the deaths of his friends because he was jealous and afraid of their abilities. While attacking Earth as a part of the Sinestro Corps, the Cyborg said that Superman had indirectly caused the radiation storm when he threw Eradicator into the sun. He also said that Terri had been near death when he went to see her as a machine and that he was trying to save her life but she jumped out of a window when she saw him, and as a result of that Superman tried to kill him, which drove him away.

After Earth

Death of Superman

Supermen, Apocalypse and Doomsday

No one hates Superman more than Hank Henshaw. Exposure to lethal cosmic radiation during a routine space flight destroyed Henshaw's body,forcing the astronaut's consciousness to seek refuge in computer circuitry. Henshaw returned to physical life after downloading himself into Superman's birthing matrix. He was rebourn as a power-mad Cyborg with equal parts of Kal-El's own DNA and the matrix's unbreakable Kryptonain alloys.

Driven to madness by the loss of his humanity,the Cyborg has slaughtered millions in his fury.

CYBORG SUPERMAN VS. THE GREEN LANTERN CORPS.

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Hank later began to lead the Manhunters and spent alot of time and effort battling the Green Lantern Corps, before joining forces with the Anti-Monitor and his Sinestro Corps. It is here we discover that Hank Henshaw's one wish is to die, as the Anti-Monitor promised to grant Hank's wish of death once their goal is reached.

SINESTRO CORPS

Henshaw was positioned to watch over the construction of the new War World. As the Sinestro Corps approach Earth, their primary target, Sinestro orders Hank to deal with the Justice League and control the Anti-Monitor's landing zone personally. He attacks the Justice League, along with his army of Manhunters, they appear to be victorious before Superman arrives and battles his cyborg counterpart. Using the power of the yellow rings, Henshaw is able to push Superman back but is beaten senseless once Supergirl and Powergirl arrive to aid their cousin. Henshaw is thrown into Superman-Prime who is in the middle of a battle with the rest of Earth's heroes. After landing on top of Prime, Henshaw states "He almost did it."

Henshaw gets back into the action and continues to fight Green Lanterns and the heroes of Earth. He mocks the Green Lanterns for their lack of skills saying that since they are able to use lethal force they should use it. In the middle of the battle Henshaw lit Hawkman's wings on fire but the fire is quickly put out by John Stewart. Henshaw was caught in the explosion when War World exploded. He survived and was rescued by his Manhunters.

Powers

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As a result of the cosmic radiation, Hank Henshaw underwent a rapid degeneration but at the moment of his death, his consciousness jumped into a nearby computer. From that point on, his consciousness became tied to machines (though there is the possibility of it inhabiting other materials, which he has done at least twice). He can posses machines and anything even remotely mechanical and is able to control them completely with an ability he calls "technomorphing". Unlike most technopaths, he doesn't just command them, he incorporates them into himself and nearby technology becomes an extension of himself. He can take any machine and, once it's a part of him, he can transform it into anything his mind can imagine, and thanks to time spent traveling across many universes, he can imagine a lot. Even before becoming a machine, Hank Henshaw was a genius, so this only adds to what he can come up with. The Cyborg is not limited by the uses or parts in the original machine, which makes this ability all the more dangerous. Because parts of the Cyborg are cloned from Superman's DNA he has many of the Man of Steel's powers. He has exhibited laser vision (and other kinds of vision), super strength, super speed, invulnerability, and flight. It is assumed that if he created biological lungs for himself he could duplicate Superman's freeze breath, but he hasn't done it yet. Like with machines though, Cyborg Superman can modify his Superman parts beyond their original limits and weaknesses. He has already removed his Kryptonite weakness and his understanding of biology seems so complete that he can create more living Kryptonian parts from machinery. Cyborg Superman is also immortal, being able to live no matter what happens to his physical body. Currently, Cyborg Superman possess several Green Lantern Rings and a number of Qwardian Power Rings. These weapons are not just for show either. He doesn't use them much, usually relying on his Superman powers, but he can when necessary. Other weapons at his disposal include hundreds of Manhunter robots which he has upgraded and started mass producing and obey his every command.