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Guardsman (character) AI simulator
(@Guardsman (character)_simulator)
Hub AI
Guardsman (character) AI simulator
(@Guardsman (character)_simulator)
Guardsman (character)
The Guardsman is the name of several characters appearing in American comic books published by Marvel Comics. The first incarnation of the Guardsman, Kevin O'Brien, first appeared in Iron Man #43 (November 1971). The second incarnation, Michael O'Brien, was introduced in Iron Man #97 (March 1977). The codename has also been used collectively for a squad of armored agents serving as security at the Vault, as well as for a unit deployed by Alchemax to hunt extraterrestrial threats.
The Guardsman debuted in Iron Man #43 (November 1971), created by writer Gerry Conway and artist George Tuska. Characters adopting the Guardsman codename subsequently appeared in several Marvel series, including The Vision and the Scarlet Witch (1985), King in Black: Planet of the Symbiotes (2021), Cult of Carnage: Misery (2023), and All-New Venom (2025).
The first Guardsman is Kevin O'Brien. Created by writer Allyn Brodsky and Don Heck, the character first appeared in Iron Man #31 (November 1970).
Kevin O'Brien was born in Chicago. He became an engineer and inventor working for the newly opened Lakani Island plant of Stark Industries who came to the attention of Tony Stark when he invented a stun-ray that managed to harmlessly disperse a crowd of violent protestors. Stark invited O'Brien to transfer to the main plant on Long Island, and he accepted. Despite a careless streak that once caused the laboratory he was working in to explode, he became a close friend of Stark and was soon appointed head of Stark Industries' research department.
On several occasions, O'Brien assisted Stark and the supposed bodyguard Iron Man, notably against the Spymaster and the assistants the Espionage Elite, saving Stark's life on more than one occasion. Stark then decided to reveal to O'Brien his secret identity of Iron Man, and to build for him a second suit of armor for use in the event of an emergency. That emergency would come a short time later, when Iron Man and girlfriend Marianne Rodgers were taken captive by the superhuman madman Mikas the Soulfather. Putting on the armor before being fully tested, O'Brien fell prey to a malfunction in the cybernetic circuitry controlling the armor which apparently stimulated the regions of the brain where rage and jealousy originate.
O'Brien found himself seized with a sudden attraction for Marianne and became extremely jealous of Stark's power, looks, and fortune. At the same time, Simon Gilbert, then Chairman of the Board of Stark Industries' stockholders, grew alarmed that Stark was moving out of munitions production and mapped strategies with the board to seize controlling interest in the firm from Stark as principal stockholder. Clad in armor and calling himself the "Guardsman", O'Brien offered to aid the board in their plot against Stark. As a show of support, he agreed to quell a protest rally outside the plant. Guardsman aimed his repulsor rays at the crowd, injuring four protestors. Sickened by what he did, O'Brien turned on the renegade board members, physically assaulting them. However, seeing Stark with Marianne caused him to once again become unbalanced, and he went outside to vent his rage on the growing crowd of protestors. Stark donned the Iron Man armor and engaged Guardsman in battle to prevent him from doing any more damage. Losing, Guardsman sought refuge in an experimental tank. In an attempt to stop him without hurting him, Iron Man's repulsor rays were trained on the vehicle and accidentally hit its fuel supply. The tank exploded, killing O'Brien.
The second Guardsman is Michael O'Brien. Created by writer Len Wein and artist Herb Trimpe, the character debuted in Iron Man #82 (January 1976).
Michael O'Brien was also born in Chicago, Illinois. Some months after Kevin's death, when the details of the incident came to public light, Michael, a sergeant in the New York City Police Department, decided that the official investigation exonerating Iron Man's actions was a cover-up. Reopening the investigation without official sanction, O'Brien confronted Tony Stark, interrogated several employees, and declared his intention of proving that Stark was responsible for his brother's death.
Guardsman (character)
The Guardsman is the name of several characters appearing in American comic books published by Marvel Comics. The first incarnation of the Guardsman, Kevin O'Brien, first appeared in Iron Man #43 (November 1971). The second incarnation, Michael O'Brien, was introduced in Iron Man #97 (March 1977). The codename has also been used collectively for a squad of armored agents serving as security at the Vault, as well as for a unit deployed by Alchemax to hunt extraterrestrial threats.
The Guardsman debuted in Iron Man #43 (November 1971), created by writer Gerry Conway and artist George Tuska. Characters adopting the Guardsman codename subsequently appeared in several Marvel series, including The Vision and the Scarlet Witch (1985), King in Black: Planet of the Symbiotes (2021), Cult of Carnage: Misery (2023), and All-New Venom (2025).
The first Guardsman is Kevin O'Brien. Created by writer Allyn Brodsky and Don Heck, the character first appeared in Iron Man #31 (November 1970).
Kevin O'Brien was born in Chicago. He became an engineer and inventor working for the newly opened Lakani Island plant of Stark Industries who came to the attention of Tony Stark when he invented a stun-ray that managed to harmlessly disperse a crowd of violent protestors. Stark invited O'Brien to transfer to the main plant on Long Island, and he accepted. Despite a careless streak that once caused the laboratory he was working in to explode, he became a close friend of Stark and was soon appointed head of Stark Industries' research department.
On several occasions, O'Brien assisted Stark and the supposed bodyguard Iron Man, notably against the Spymaster and the assistants the Espionage Elite, saving Stark's life on more than one occasion. Stark then decided to reveal to O'Brien his secret identity of Iron Man, and to build for him a second suit of armor for use in the event of an emergency. That emergency would come a short time later, when Iron Man and girlfriend Marianne Rodgers were taken captive by the superhuman madman Mikas the Soulfather. Putting on the armor before being fully tested, O'Brien fell prey to a malfunction in the cybernetic circuitry controlling the armor which apparently stimulated the regions of the brain where rage and jealousy originate.
O'Brien found himself seized with a sudden attraction for Marianne and became extremely jealous of Stark's power, looks, and fortune. At the same time, Simon Gilbert, then Chairman of the Board of Stark Industries' stockholders, grew alarmed that Stark was moving out of munitions production and mapped strategies with the board to seize controlling interest in the firm from Stark as principal stockholder. Clad in armor and calling himself the "Guardsman", O'Brien offered to aid the board in their plot against Stark. As a show of support, he agreed to quell a protest rally outside the plant. Guardsman aimed his repulsor rays at the crowd, injuring four protestors. Sickened by what he did, O'Brien turned on the renegade board members, physically assaulting them. However, seeing Stark with Marianne caused him to once again become unbalanced, and he went outside to vent his rage on the growing crowd of protestors. Stark donned the Iron Man armor and engaged Guardsman in battle to prevent him from doing any more damage. Losing, Guardsman sought refuge in an experimental tank. In an attempt to stop him without hurting him, Iron Man's repulsor rays were trained on the vehicle and accidentally hit its fuel supply. The tank exploded, killing O'Brien.
The second Guardsman is Michael O'Brien. Created by writer Len Wein and artist Herb Trimpe, the character debuted in Iron Man #82 (January 1976).
Michael O'Brien was also born in Chicago, Illinois. Some months after Kevin's death, when the details of the incident came to public light, Michael, a sergeant in the New York City Police Department, decided that the official investigation exonerating Iron Man's actions was a cover-up. Reopening the investigation without official sanction, O'Brien confronted Tony Stark, interrogated several employees, and declared his intention of proving that Stark was responsible for his brother's death.