This is a list of fictional characters from DC Comics who are or have been enemies of the Justice Society of America. In chronological order (with issue and date of first appearance).
Golden Age Villain First appearance Description Ultra-Humanite Action Comics #13 (June 1939) Pre-Crisis, the body-hopping Ultra-Humanite was the first recurring nemesis to Superman (a precursor, and perhaps the inspiration, to Lex Luthor). His original body was that of a bald crippled scientist, but his most well-known body is that of an albino ape. However, he progressed to being one of the most consistent and dangerous opponents to the JSA, and even caused the death of Johnny Thunder. He is a member of the Time Stealers. Wotan More Fun Comics #55 (May 1940) The nemesis of Doctor Fate and a powerful sorcerer, Wotan's ire fell on the Society several times and even the Justice League. Kulak All Star Comics #2 (Fall 1940) Arguably the Spectre's nemesis, Kulak is an ancient, powerful three-eyed sorcerer from the planet Brztal. Greenheads All Star Comics #55 A race of greenheaded aliens who invade Jupiter and force the inhabitants to help them invade the Solar System. Professor Elwood Napier finds a way to make a spaceship, but is kidnapped by them and a hypno-helmet used to make him try to invade the System. The aliens try and destroy the Earth using a huge cannon, and place most of the JSA under their control with the hypno-helmets, but Green Lantern is able to free the group by knocking of the helmets. The JSA are able to defeat them, and the cannon, when fired, instead destroys the Green Star, the Greenheads base. Ian Karkull More Fun Comics #69 (August 1941) Seeking the powers of darkness, Ian Karkull built a machine fusing science and magic that turned him into living shadow. An early opponent of Dr. Fate, one confrontation Karkull had with the Society led to his believed demise where part of his essence was infused in the heroes presents stunting their aging (one of the explanations for their youth despite their elder age). Further, it was his energies infused in Alan Scott that gave rise to the powers wielded by the hero's son Obsidian. Adolf Hitler Green Lantern vol. 1 #3 (Spring 1942) Leader of the Third Reich and part of the Axis powers, Hitler declared war on the world and used the Spear of Destiny and Holy Grail to erect the Sphere of Influence over much of Europe and Asia. This Sphere would make anyone vulnerable to magic that entered it loyal to the Axis, preventing the majority of Earth's heroes from becoming involved in the greater part of World War II. Thor Adventure Comics #75 (June 1942) "Fairy Tales" Fenton was an enemy of the Sandman that used his knowledge of science to build a body suit and hammer that replicated the mythical Thor that went on to menace the All-Star Squadron. All-Star Comics 80-Page Giant #1 (September 1999) The Norse God of Thunder summoned by Hitler to slay the leaders of the Allied powers. Black Dragon Society All Star Comics #12 (August 1942) A group of Japanese spies and saboteurs who went after a group of Allied scientists and stole their inventions. The JSA stopped their planned attacks on the JSA, and after Johnny accidentally found their base and the Thunderbolt summoned their other members they were captured. Benito Mussolini Wonder Woman #2 (September 1942) Prime Minister of Italy and leader of the National Fascist Party that formed an alliance with the Third Reich when it appeared to Mussolini that Hitler's forces would win World War II. Hans Goobsten All-Star Comics #13 (October 1942) A Nazi scientist who tries to destroy the JSA after Hitler orders him to. His agents pump gas into their meeting room, then load the unconscious heroes into rockets and send them to different planets in the Solar System. However, they each overcome some menace to the natives, are given something to help the War effort and get back to Earth, where they defeat the agents. Vandal Savage Green Lantern vol. 1 #10 (Winter 1943) When caveman Vandar Adg was bathed in the radiation of a meteorite thousands of years ago, it provides him a superior intellect and nigh-immortality. He has manipulated history to his advantage, assassinating Caesar, advising Napoleon, and committing murders as Jack the Ripper. Savage has battled heroes all throughout history, including Immortal Man (who also gained similar gifts from the meteorite) and the Hawk avatar, he crossed swords with the Green Lantern while working with the Nazis, before becoming one of the most frequent threats to face the JSA, and one of the founding members of the Injustice Society. Brain Wave All Star Comics #15 (February–March 1943) An immensely powerful psionic that repeatedly faced the JSA, and was a founding member of the Injustice Society until his death. However, even in death, he remained a threat when his abilities were passed onto his son who went insane and took on a malevolent persona. Hideki Tōjō World's Finest Comics #9 (March 1943) Prime Minister of Japan under Emperor Hirohito, Tōjō led his country's forces as the Army Minister into Asia and against the United States, England, and Holland after Japan joined the Axis Powers. As the war progressed, he would also become Home Minister, Foreign Minister, Education Minister, Commerce Minister, and Chief of the Imperial Japanese Army General Staff. It was the attack on Pearl Harbor that brought the US into the World War II conflict. Finally, he was captured and executed. King Bee (Elmer Pane) All-Star Comics #18 (August 1943)A scientist who uses hormones to make super-insect men, with which he tries to commit crimes. However, the JSA foil the crimes, and restore the transformed super-insects. Black Barax Sensation Comics #28 (April 1944) An enemy of a time traveling Mister Terrific, the Black Barax was a warlord in 7532 AD who came to the past to destroy Tylerco before it discovered the means for time travel. The Monster All Star Comics #20 (Spring 1944) The disembodied brother of Jason Rogers, Monster could possess his sibling turning him into a super strong and highly durable form living up to his name. Dying in a battle with the Society, he would be plucked from time by Per Degaton alongside King Bee, Professor Zodiac, Sky Pirate, Solomon Grundy, and Wotan to battle the Society in the past and change the events of Pearl Harbor. Gambler Green Lantern #12 (Summer 1944) A foe of the Green Lantern, master of disguise, knives and guns, and founding member of the Injustice Society, Steven Sharpe III would later battle the JSA on his own. He committed suicide after losing his money to a corrupt casino, but his daughter took his name. Solomon Grundy All-American Comics #61 (October 1944) A super-strong swamp elemental pseudo-zombie born in Slaughter Swamp outside Gotham City created from the body of murdered merchant Cyrus Gold, he would face Green Lantern, as wood in his body gave him resistance to the Lantern's ring, before becoming a frequent opponent to the Justice Society and League, often destroyed but returning to some semblance of reanimation. Over the years he absorbed some of Green Lantern's power. Sometimes, Grundy would return different, such as a childlike being that followed around Jade or a gentlemanly intellectual that tried to attain true immortality using Amazo. Wizard All Star Comics #34 (March 1945) Originally an illusionist who learned his skills in Tibet before murdering his teacher, a monk, the Wizard attempted to join the JSA when he believed they were secretly villains using their image to deceive the public. After they foiled his crimes, he pretended to commit suicide by leaping into a vat of acid, but the vat was an illusion. He would go on to form the Injustice Society, leading the first two incarnations, and Crime Champions, lead a version of the Secret Society of Super-Villains, and eventually came to possess actual magical abilities. Psycho-Pirate All-Star Comics #23 (Winter 1945) Charles Halstead plotted crimes based on emotions and came into conflict with the Society. Showcase #56 (May–June 1965) Coming into possession of the Medusa Mask, Roger Hayden develops the ability to manipulate emotions and alter perception. Black Adam The Marvel Family # 1 (December 1945) A champion for Shazam in Egypt during the reign of Prince Khufu, Teth-Adam's family is slain by Vandal Savage's slave Ahk-ton which spirals him toward darkness in the thrall of Shazam's demonic daughter Blaze. Shazam strips him of his power, storing it in a scarab, and his former champion rapidly ages for the centuries he had lived as a pseudo-god/avatar. Teth-Adam's reincarnated as a sociopath named Theo Adam who discovers the scarab and uses it to become a super-villain. Teth-Adam begins to become able to assert control over the Black Adam persona, capable of complete control after a malignant tumor is removed from the brain of Theo. Becoming a member of the JSA, Adam would again turn to darkness when he invades his native Kahndaq to free it from a dictator, and takes control of it with a group of former JSA allies/members (most notably Atom Smasher). Later he battled them again after his family is murdered and he declares war against the world. Landor (The Man who knew too much) All Star Comics vol. 1 #29 (June 1946)A man born in the year 2416, however he found his era of peace boring and wanted adventure. He found a time machine in a museum and used it to travel 500 years back, to the year 1946, but it disintegrates on landing. He is unable to get food, so decides to commit crimes, using his advanced knowledge to turn everyday objects into weapons, such as making a fountain pen shoot ink that pins people to the floor, and a typewriter fire bolts when he presses the keys. He challenges the JSA to stop six crimes, but he is foiled at all of them. He challenges Johnny Thunder to a duel of magic, hoping to be captured and taken to the JSA headquarters, where he will destroy them with his flashlight gun. He gets to the headquarters, but Flash takes his gun and Green Lantern destroys it. Not wanting to jail him as he could make a weapon to get out, they decide to send him back to 2446 with Green Lantern's ring. He then decides his era is not so bad after all. Zor All Star Comics #31 (October 1946) A strange creature that resembles a glowing ball, and takes over a toymaker Willy Wonder, making dangerous weaponry to enable crooks to commit crimes. The Duma, a race of otherdimensional creatures, alert the JSA to this, and tell them Zor is a criminal from their world. The JSA prevent the crimes, where the crooks use devices like air-walking shoes and invisible fabrics, and get to Willy Wonder's workshop, where the Duma force the insane Zor out of Willy Wonder's body and take him away. Per Degaton All Star Comics #35 (June–July 1947) An assistant for the Time Trust (a group of scientists that developed time travel technology often involving the JSA), Per Degaton would turn on his compatriots and meet the time traveling robot Mekanique. She enlists his aid against the All-Star Squadron which starts him down a path against history's heroes as he unlocks the secrets of time, becoming one of the JSA's most consistent enemies and a founding member of the Injustice Society as he attempts to alter history to his advantage after stealing the Time Machine of Professor Zee. Gentleman Ghost Flash Comics #88 (October 1947) A notorious highwayman lynched by Nighthawk, Gentleman Ghost would return as an ethereal specter that followed his murderer throughout history as he reincarnated in different bodies (Nighthawk being an iteration of Prince Khufu). Hawkman, latest of these incarnations, would often battle the intangible villain who in time would menace the entire JSA. Later he summons up an army of ghosts to destroy the JSA, but is again beaten. Injustice Society All Star Comics #37 (October–November 1947) A group formed by the Wizard made up of the JSA's worst enemies (individually an