The George Grant version of Metallo was a man in a powered suit of armor made from "the most powerful metal on Earth" as well as a "strength serum".
The John Corben version of Metallo is usually depicted as a cyborg with a Kryptonite power source in his heart which he uses as a weapon against Superman.
The Roger Corben version of Metallo was the brother of John Corben who was turned into a cyborg by the organization SKULL at the time when John was apparently killed.
In 2009, Metallo was ranked as IGN's 52nd-greatest comic book villain of all time.[1]
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There was an earlier "Metalo" who appeared in World's Finest #6 (Summer 1942). This version was a man named George Grant who discovered the most powerful metal on Earth and invented a strength serum.[2]
John Corben and Metallo first appeared in the Superman comic strip storyline "The Menace of Metallo", which ran from 15 December 1958 to 4 April 1959. The character debuted in comic books in Action Comics #252 (May 1959), in a story by Robert Bernstein and Al Plastino.[3]
The Roger Corben version of Metallo debuted in Superman #310 and was created by Curt Swan and Martin Pasko.
George Grant
The George Grant version of Metallo as seen on the cover of Superman Family #217 (April 1982). Artwork by Rich Buckler (pencils) and Dick Giordano (inks).
Metalo (alternate spelling) is the identity of an inventor/scientist named George Grant who had built a powered suit of armor made from "the most powerful metal on Earth" as well as a "strength serum" that made him a near-match for Superman. To draw him out, Metalo captured Lois Lane. At the end of their battle, Metalo fell into a crevice to what Superman assumed would be his death. Metalo was revealed to the reader to have "narrowly escaped destruction" and vowed to take revenge.[4]
Nearly 40 years would pass before the character reappeared in print to challenge Superman again. Metalo had improved his armor and serum and also exposed Superman to a ray that reduced his power significantly, giving Metalo superior strength in their first battle. Superman engaged in a lengthy regimen of exercise and training to restore his powers and returned to easily defeat Metalo.[5][6]
Jor-El's Robot
A different Metallo appeared as Jor-El's robot to battle Superboy.[7]
John Corben
John Corben is a criminal and journalist who is involved in a fatal car accident while fleeing the scene of a murder he committed.[8] Professor Vale encounters Corben and transfers his brain into a robotic body covered by a flesh-like artificial skin and powered by kryptonite.[9][10]
After obtaining a job with the Daily Planet, Corben briefly tried to romance Lois Lane, while deciding that he would use his powers to eliminate Superman, the one person who might expose his criminal deeds. After setting a kryptonite death-trap for Superman, Corben stole what he thought was another sample of kryptonite from a museum as a new power supply, not knowing it was a fake prop; this mistake caused him to die just as he was about to kill Lois Lane for discovering that he was not Superman (as he had pretended to be, being super-strong and invulnerable as a cyborg). Superman eventually escaped from the kryptonite trap and arrived just after Metallo (John Corben) had died.[11][12]
Metallo as drawn by John Byrne in Superman (vol. 2) #1 (January 1987)
After John Byrne rewrote Superman's origins in the 1986 miniseries The Man of Steel, Metallo was also given an altered backstory. In this version, Corben is inspired to battle Superman because Vale believes him to be an invader.[13]
Despite ignoring Vale's commands, Metallo came into conflict with Superman on various occasions, largely due to his continued activities as a petty thug. Metallo later lost his kryptonite heart to Lex Luthor, though back-up life support systems allowed him to reactivate himself and escape. He remained a thorn in Superman's side and was powerful enough to cripple the Doom Patrol. Still, the Indian-born hero who called herself Celsius did blow him apart with her thermal powers. Metallo later received a major upgrade via an unholy bargain with the demon Neron. As a result, Metallo could morph his body into any mechanical shape he could imagine (such as turning his hands into guns or "growing" a jet pack from his back) and project his consciousness into any technological or metallic device. He could also grow to monstrous size. During one battle, his gigantic fists were separated and later turned into housing by other superheroes. In another incident, Metallo was rendered more insane by the Joker and used his height to destroy an elevated train of commuters.
As Superman and others learned on various occasions, the most effective way to neutralize Metallo was to remove his (largely invulnerable) head and isolate it from other metallic items.
In the 2009–10 miniseriesSuperman: Secret Origin, which retells the origins of Superman and his supporting cast, Corben is an Army sergeant who works for General Sam Lane. He is enlisted to battle Superman and is transformed into a cyborg to save his life after his suit is damaged and malfunctions.
The New 52
In The New 52 continuity reboot, Corben is possessed by Brainiac. However, Superman reasons with him and he helps fight Brainiac before being rendered comatose.[15][16] Corben later recovers and becomes an ally of Superman before sacrificing himself so Superman can use his kryptonite heart to regain his powers.[17]
Roger Corben is John Corben's brother, who works with the secret organization SKULL to avenge his death.[19][20]
Metallo's metallic body offers him a high degree of protection from physical and energy attacks. He has enhanced abilities and no longer needs to eat, sleep, or breathe. His brain is hermetically sealed inside a shielded alloy skull that has its own power supply. When he was first created, he was powered by a kryptonite heart; losing that, he subsisted on plutonium instead. Additionally, because of his cyborg body, Metallo possesses superhuman strength and speed, enough to pose a challenge and even a threat to opponents such as Superman (in that case, he also takes advantage of the weakening power of kryptonite besides his own strength).
Over the course of his criminal career, Metallo's body would be decimated constantly by various circumstances. As such he would receive numerous upgrades or whole new chassis' to replace his damaged parts, such as by the obscure supervillain organization Cerberus, which modified him with a vastly superior body, one with lead-lined skull-plating and an anatomic layer that even Superman could not demolish.[21] This gave him greatly enhanced strength and durability, coupled with moderate mechanical regeneration to repair internal damage.[22] He was later outfitted with a larger LexCorp tech body, which gave him laser vision and further augmented his physical abilities.[23] Soon after it was destroyed, Corben had received a new body from a fellow Kryptonite-powered supervillain Conduit; which gave Metallo radioactive blasts from his hands and could utilize geomagnetism to make him physically immovable, even by the Man of Steel, so long as he stood on solid ground or flooring within a building complex.[24]
Metallo would eventually sell his soul (or what was left of it) to the demon Neron in return for increased power,[25] gaining the abilities to mentally control and absorb any mechanical or metal object he focuses on and transforming any technology (himself included) into an extension of his exoskeleton (an ability similar to Cyborg Superman).
In experimenting with his newfound abilities, Metallo found he could alternate differing energy frequencies for harnessing and redistributing it from various power sources.[26]Brainiac 13 upgraded Metallo to tap into various light spectra to better utilize his kryptonite-charged abilities. His mechanical body was also upgraded to be able to grow towards monolithic proportions.[27] He is also occasionally portrayed as having a liquid metal-based endoskeleton, possessing the ability to morph parts of his body, specifically his limbs, into different weapons or tools, such as chainsaws, shovels, hammers, etc. While not a genius like Lex Luthor or Brainiac, Corben's time spent with machines has given him a gifted understanding of how they work, enabling him to tinker with their mechanical functions even before gaining his technomorphing capabilities.[28]
Salvation Run reveals that Metallo possesses a high-calculus cyber-mind with which to run the numbers of possible and probable outcomes as well as success ratios through. In the previous continuity, the pre-Flashpoint Lex Luthor modified Corben to holster and utilize different forms of kryptonite; boasting mutagenic red-k, inverted blue-k and lastly, artificial depowering gold-k on top of the green he already possessed.[29] He could even power a great many anti-Kryptonian armaments developed by Luthor through it.[30]
An alternate universe variant of Metallo appears in Superman: Red Son. This version was created by Lex Luthor for the US government to combat Superman, leader of the Soviet Union.[31]
The Silver Age incarnation of Metallo appears in Justice.[32]
An alternate universe variant of Metallo appears in Superman Family Adventures. This version is Jack Corben, an astronaut who sustained terminal Kryptonite poisoning after flying through a Kryptonite asteroid field. Lex Luthor manipulates him into believing that Superman is responsible and gives him metallic armor to treat his condition.[33]
The Roger Corben incarnation of Metallo appears in Superboy, portrayed by Michael Callan. This version is a bungling bank robber who suffers from chest pains. In the episode "Metallo", he tries to rob an armored car despite his condition. Superboy arrives and apprehends the bank robber, but Corben has a heart attack and is taken to a hospital. After a lengthy recuperation, he murders his doctor and escapes, but suffers another heart attack, crashes his car, and is assumed dead. A mentally-unbalanced doctor subsequently recovers his body, turns him into a cyborg, and replaces his ailing heart with Kryptonite. As Metallo, Corben returns in the episodes "Super Menace", "People Vs. Metallo", the two-part episode "Threesome", and "Obituary for A Super-Hero".
The John Corben incarnation of Metallo appears in a self-titled episode of Lois & Clark: The New Adventures of Superman, portrayed by Scott Valentine. This version is Lucy Lane's boyfriend and a petty criminal. After being shot during a holdup gone wrong, former LexCorp scientist Emmett Vale rebuilds Corben into a Kryptonite-powered cyborg with help from his brother Rollie Vale. Using his new form, Metallo wreaks havoc in Metropolis and fights Superman, who eventually defeats him. Emmett is captured, but Rollie escapes with Metallo's kryptonite, leaving the latter to deactivate.
The John Corben incarnation of Metallo appears in Smallville, portrayed by Brian Austin Green in the ninth season and an uncredited actor in the tenth season.[34] This version is a former war reporter who works at the Daily Planet alongside Lois Lane and despises the "Blur" - Clark Kent - because he rescued a prisoner who went on to murder Corben's sister. In the episode "Metallo", Corben is hit by a truck and experimented on by Major Zod's Kandorian soldiers, receiving bionic appendages and an artificial kryptonite-powered heart. Corben targets the Blur to seek revenge for his sister, but Kent uses a lead plate to defeat him before Corben is recovered by LuthorCorp CEO Tess Mercer. In the episode "Upgrade", Corben's prior insanity is explained as a flaw in his kryptonite heart while Mercer's scientists turn him into a mindless weapon. After defeating Major Zod and a red kryptonite-infected Kent, Corben regains his free will, receives a red kryptonite heart from Lane that restores his sanity, and goes underground after parting ways on good terms with her and Kent. In the episode "Prophecy", he returns to villainy and using a green Kryptonite heart after Toyman recruits him into his company, "Marionette Ventures". In the comic book continuation Smallville Season 11, it is revealed that Corben's change of heart happened due to him becoming a mercenary and his biology rejecting the red kryptonite heart. During this time, a dictatorship tasked him with subduing and eliminating the rebel forces' protector: a kryptonite-powered Lana Lang. Toyman gave him his new green kryptonite heart as well as the ability to absorb meteor energy signatures to strengthen himself. After absorbing Lang's kryptonite-powered nanites, Corben gains the ability to assimilate metallic or mechanical constructs. After Lang and Lane remove his power source, the U.S. government defeats and incarcerates Corben.
Arrowverse
Six different incarnations of Metallo appear in media set in the Arrowverse:
John Corben appears in the Supergirl episode "The Adventures of Supergirl", portrayed by Frederick Schmidt.[35] He is initially hired by the incarcerated Lex Luthor to assassinate his half-sister Lena Luthor to prevent her from rebranding LuthorCorp, but Corben's first two attempts fail due to Supergirl and Superman's intervention. During his third attempt, Corben is foiled by Lena and Alex Danvers, with the former shooting him after he takes the latter hostage. While being sent to the hospital, Corben is intercepted by Project Cadmus, who convert him into the first Metallo. After meeting Cadmus' leader, later revealed to be Lex's mother Lillian Luthor, Corben fights Supergirl and Superman alongside another Metallo (see below), with Supergirl and Danvers defeating Corben by removing his power source. Corben is sent to jail, but Hank Henshaw smuggles in an artificial Kryptonite "heart" to help him break out of jail and frames Lillian for it. Due to the artificial Kryptonite's instability however, Corben slowly undergoes a radiological meltdown and ultimately self-destructs despite Supergirl's best efforts.
To assist Corben, Lillian converts unwilling Cadmus scientist named Dr. Gilcrist (portrayed by Rich Ting) into a second Metallo. During his fight with Superman, Martian Manhunter removes Gilcrist's Kryptonite heart, deactivating him.
The fourth incarnation of Metallo appears in the fourth season of Supergirl. Introduced in the season premiere "American Alien", Otis Graves (portrayed by Robert Baker) is a member of Ben Lockwood's anti-alien activist group the Children of Liberty. Following his apparent death in the episode "Ahimsa", Otis returns in the episode "O Brother, Where Art Thou?", having been resurrected with Kryptonite and converted into a Metallo before Lockwood kills Otis. The "Metallo Procedure" itself is depicted in flashbacks in the episode "Crime and Punishment".
A fifth Metallo appears in the Supergirl episode "All About Eve", portrayed by an uncredited actor. This version is an unnamed security guard at Eve Teschmacher's lab in National City University.
Another alternate universe incarnation of Metallo appears in the Supergirl episode "It's a Super Life". This version is the Lena Luthor (portrayed by Katie McGrath) of a universe where she never met Supergirl, suffered a failed attempt on her life carried out by Lex that left her gravely injured, was converted into a Metallo by Lillian and Cadmus, and subsequently conquered National City.
Animation
The John Corben incarnation of Metallo appears in The Batman two-part episode "The Batman/Superman Story", voiced by Lex Lang.[37] This version's kryptonite heart is located where a person's actual heart would be and has a back-up power source.
The Roger Corben incarnation of Metallo makes a cameo appearance in the Batman: The Brave and the Bold episode "Battle of the Superheroes!".[37]
Metallo appears in My Adventures with Superman.[38] This version is a series of drones created by AmerTek before being acquired by Lex Luthor and Amanda Waller for Task Force X's use. Throughout further appearances, Luthor upgrades the Metallos with Kryptonite power sources, but Brainiac takes control of them amidst his invasion of Earth before they are eventually deactivated following his defeat.
Corben first appears in Superman: The Animated Series. Introduced in the pilot episode "The Last Son of Krypton", this version was originally an English mercenary who worked with Lex Luthor to stage the theft of an experimental armored war suit from LexCorp and give it to the nation of Kaznia in the hopes of prompting the U.S. government to pay Luthor. However, Corben is eventually caught by Superman and incarcerated at Stryker's Island. In the episode "The Way of All Flesh", Luthor and prison physician Doctor Vale infect Corben with a rare, fatal retrovirus and manipulate him into transferring his consciousness into an indestructible, Kryptonite-powered robot body in exchange for helping them kill Superman. Initially, Corben uses a special skin covering to appear human. However, he is horrified to discover that he no longer has human senses, goes insane, and partially tears off the skin, dubbing himself "Metallo".
Metallo returns in the Justice League Unlimited episode "Chaos at the Earth's Core", voiced again by McDowell. As of this series, he has joined Gorilla Grodd's Secret Society. Metallo and Silver Banshee are sent to Skartaris to obtain Kryptonite, but are defeated by the Justice League. He attempts to tell them about the Society, but his brain is fried by a protocol that Grodd created to prevent the Society's secrets from reaching the League. Nonetheless, Martian Manhunter probes what is left of his mind for information.
Metallo was initially considered to appear in Zack Snyder's Man of Steel sequel, but the project was eventually cancelled in favor of Batman v Superman: Dawn of Justice. It was then revealed that Metallo was going to appear in an earlier draft of Dawn of Justice, using the body of Wallace Keefe (portrayed by Scoot McNairy). It was also rumored that Metallo was going to be in the final fight between Superman, Batman, and Wonder Woman instead of Doomsday, but this was never confirmed. Despite this, the character's creator, Emmet Vale, appears in Dawn of Justice, portrayed by Ralph Lister.[41][42]
The John Corben incarnation of Metallo appears as a boss in Superman Returns, voiced by Joey Camen.[37] This version can create robotic minions and assimilate metal to increase his size and strength.
The John Corben incarnation of Metallo appears in DC Universe Online, voiced by Ryan Wickerham.[37] This version is a member of the Secret Society.
The John Corben incarnation of Metallo appears as a playable character in Lego DC Super-Villains, voiced again by Travis Willingham.[46]
Miscellaneous
The John Corben incarnation of Metallo appears in Dirk Maggs' 1990 BBC Radio adaptation of The Man of Steel, played by Simon Treves. This version wears a suit of battle armor. While fighting Superman, Corben is left in a vegetative state due to the suit's unstable psionic interface, which Luthor sabotaged to hide his role in empowering Corben. Subsequently, Corben is taken by Doctor Schwarz, a disgruntled former LexCorp employee who had been tracking the capsule that brought the infant Superman to Earth and stole it from Jonathan and Martha Kent's farm. After building him an android body powered by the capsule's kryptonite power source, Schwarz and Corben plot to kill Luthor and Superman. However, Metallo betrays and kills Schwarz. Kidnapping Lois Lane and holding her hostage at Two Mile Island's power station, he awaits and eventually fights Superman until Luthor intervenes and tears out Metallo's kryptonite heart.
An original incarnation of Metallo appears in Young Justice: Targets.[47] This version is Juan Cordero, a metahuman with self-healing abilities. After Lex Luthor gives his family jobs and education, Cordero decides to serve him out of gratitude, subsequently being manipulated into becoming a cyborg to oppose Superboy.
An original incarnation of Metallo appears in Superman '78: The Metal Curtain. This version is Maxim Nikolaev, a decorated soldier from the Soviet Union who wears Kryptonite-powered armor. After being ordered by General Viktor Morosov to defeat Superman and prove their might to the world, he fights Superman, unaware that his constant exposure to Kryptonite is making him more anger-prone. After witnessing Superman rescue Russian civilians, Nikolaev sacrifices himself to destroy his armor and ensure its Kryptonite could not be used to harm others again.[49]
Merchandise
The John Corben incarnation of Metallo received a "Collect and Connect" figure in Wave 5 of the DC Universe Classics line.
Cowsill, Alan; Irvine, Alex; Korte, Steve; Manning, Matt; Wiacek, Win; Wilson, Sven (2016). The DC Comics Encyclopedia: The Definitive Guide to the Characters of the DC Universe. DK Publishing. p.200. ISBN978-1-4654-5357-0.
Cowsill, Alan; Irvine, Alex; Manning, Matthew K.; McAvennie, Michael; Wallace, Daniel (2019). DC Comics Year By Year: A Visual Chronicle. DK Publishing. p.88. ISBN978-1-4654-8578-6.
"Metallo Voices (Superman)". Behind The Voice Actors. Retrieved May 23, 2024. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.
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