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Nathan Heywood is part of the Heywood Family, the legacy of Commander Steel. As he is not a military man, he became known as Citizen Steel, a member of the Justice Society of America.


Nathan Heywood is a grandson of Henry Heywood and a cousin of Henry Heywood III. Formerly a football star, Nathan retired after shattering his kneecap and having his leg amputated. The incident left Nathan addicted to painkillers.

While attending a Heywood family reunion, Nathan was attacked by the Fourth Reich, a team of metahuman Neo-Nazis ordered to wipe out the bloodlines of Golden Age heroes by Vandal Savage. Despite the Fourth Reich's effort, they failed to completely destroy the Heywood bloodline, as Nathan and a few children managed to survive. Both Nathan's brother and mother were turned to metal statues by the villain Reichsmark. Nathan jammed his crutch into Reichsmark's mouth, causing him to spit liquid metal blood onto Nathan. Hawkman took him to Doctor Mid-Nite, who noted that the metal was being absorbed by Nathan's skin. It was later revealed that the metal had grown out from the amputation scars on Nathan's leg, replacing the lost limb. The new leg was constructed of metallic analogues of bone, muscles, and flesh. Waking in his hospital room, Nathan was shown to have superhuman strength. Doctor Mid-Nite informed Nathan that he was now a being of living steel, due to an unknown reaction to Reichsmark's blood.

He was christened Citizen Steel by Power Girl.

Justice Society

Heywood acquitted himself well against the the Heartbreak Slayer, saving two of his team-mates from a runaway bus. When Gog manifested in Africa, Heywood sided with him, hoping to be "gifted" with the removal of his powers. However, Gog never acknowledged him, as he did not truly believe. When the Justice Society finally united to defeat Gog, Heywood unleashed his full strength against Gog and actually managed to topple the giant. This gave Gog's former herald, Magog, the chance to cut off Gog's head and send him to the Source Wall.

Following Gog's defeat, Nathan took time off from the JSA to be with his family. This consisted of the various children who had survived the attack on the reunion, most of whom now called him "Uncle Nathan" or "Uncle Nate".

During the events of Blackest Night, Heywood helped fight off the hordes of Black Lanterns attacking Manhattan. He tried to help Power Girl during her battle with the newly reanimated Kal-L. He was knocked aside by the reanimated hero, who mockingly referred to him as a "paperweight" compared to him.

Following the split in the Justice Society, Nathan opted to join Power Girl's more youth-oriented team of JSA All-Stars.


  • Organic Steel Physiology: Nate Heywood's skin, bone, and muscle tissue has been transmuted into organic steel, which provides him with enhanced strength and durability.
    • Superhuman Strength: Nate has incredible levels of superhuman strength, he can easily lift a bus full of people and his blows are able to shake the ground. His strength is so great that he must constantly wear his Steel Skin-Suit to diminish his strength or he would be too strong to interact with common people.
    • Invulnerability: According to Doctor Mid-Nite's prognosis, it would take nothing less than an AIM-9 Sidewinder to even knock him down.
      • Pain Immunity: The organic steel that covers his nervous system makes him unable to feel pain, he can be punched in the face by Power Girl with all her strength and still feel nothing.




  • Stainless Steel Skin-Suit: Steel wears a specially designed containment suit developed by Mister Terrific. The costume functions as a secondary skin and is composed of a stainless steel alloy with a tensile strength of over 280,000 lbs. per square inch. The metal shell adapts to the curvature of Steel's body, and re-molds itself based upon his movements. Although the suit helps Steel adjust to his body's new composition, it also significantly reduces his strength level. Donning the costume requires an invasive smelting and subsequent cooling process aided by Mister Terrific's T Spheres.

Citizen Steel's code-name was first provided as part of the roll call at the end of Justice League of America (Volume 2) #8.



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Justice Society of America member
This character is or was a primary member of the Justice Society of America in any of its various incarnations. This template will categorize articles that include it into the "Justice Society of America members" category.