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Jemm, from Martian Manhunter #16. Art by Tom Mandrake.
Publication information
PublisherDC Comics
First appearanceJemm, Son of Saturn #1 (September 1984)
Created byGreg Potter (writer)
Gene Colan (artist)
In-story information
SpeciesRed Saturnian
Place of originSaturn
Team affiliationsInjustice Gang
Justice League
Notable aliasesSon of Saturn
  • Superhuman strength
  • Superhuman speed
  • Superhuman endurance
  • Superhuman senses
  • Invulnerability
  • Telekinesis
  • Immortality
  • Flight
  • Telepathy
  • Psychokinesis
  • Intangibility

Jemm is a fictional alien character appearing in various comic book series published by DC Comics. He is an analogue of and occasional ally of Martian Manhunter.

Publication history[edit]

Created by Greg Potter and Gene Colan, Jemm first appeared in Jemm, Son of Saturn #1 (September 1984).[1]

The first unofficial appearance of a Red Saturnian in DC Comics was Detective Comics #314 (April 1963) where he was a nameless alien criminal who was weakened by motor oil, enabling the Martian Manhunter to defeat him.

According to Greg Potter, co-creator of Jemm, the character was originally conceived as the cousin of the Martian Manhunter (Jogar, Jemm's cousin in the series, was originally the Manhunter). This was at a time when the Manhunter had disappeared from the pages of DC Comics for a time. However, part-way through developing the series, Potter was told by editor Janice Race that she had learned Manhunter would reappear in the Justice League of America.[2] To avoid any continuity problems, Potter rewrote the series as Jemm, Son of Saturn, a character with no connection to the Martian Manhunter.

Jemm was reintroduced to the DC Universe by Grant Morrison in JLA #12, which emphasized his similarity to J'onzz. During his run on Martian Manhunter, John Ostrander used these similarities to explain that the Saturnians were a race created by and modelled on the Martians.

Fictional character biography[edit]


The three races of Ma'aleca'andra (the Martian name for the planet Mars in the DCU) are directly responsible for the H'ronmeerca's (Saturnians). The Saturnians are genetically modified descendants from the underclass Martian worker clones created by their ancient Martian explorers as they ran Martian colonies on Saturn's moons. The Martians cloned the original Saturnians from themselves; the Red Saturnians were created by the Green Martians while the White Saturnians were created by the White Martians. Both races of clones were created and bred to survive and live on the planet Saturn. The Green Martians treated their clones as equals while the White Martians treated their clones as slaves. The fate of the Yellow Martians is unknown during this time period.

The continued enslavement of the White Saturnians started a civil war between the two Martian races. At the war's conclusion the White Martians were exiled to the "Still Zone", only to escape years later and reappear disguised as the Hyperclan. After the civil war all Saturnians were granted their freedom, but continued to war amongst themselves for millennia.

Jemm, son of King Jaxx was forced to flee the palace after a White Martian coup. His mother Jarlla was able to hide him in a cave, where Jemm was trained by his White Saturnian teacher Rahani in the use of his powers.[3]

Jemm vs the Koolar, artist Gene Colan.


After both his mother and teacher were killed by the White Martians, Jemm stole a ship and escaped to Earth, in search of his lover Syraa who had fled there earlier. He arrives in Harlem, New York and is befriended by an African-American orphan named Luther Mannkin. After a series of adventures with and without Luther, Jemm eventually found Syrra. They all then travelled to "New Bhok", a Red Saturnian colony. Because he refused to take sides in a civil war on New Bhok, Jemm was disavowed and cast out by both factions. Dispirited Jemm and Luther returned to Earth.

There Jemm learned that a criminal named Claudius Tull planned to use Saturnians as living energy sources. He had allied himself with a female White Saturnian named Synn. When Tull's true goal was exposed, Synn surrendered her forces to the Red Saturnian military. When last seen, Jemm had set out in search of Syrra, who had mysteriously disappeared yet again.[3]

Under Luthor's control, artist Howard Porter.

Injustice Gang[edit]

Jemm resurfaced years later as a member of the Injustice Gang. He had apparently been brainwashed by Lex Luthor through the use of a Philosopher's Stone and used as a psychic weapon against the Justice League. He was able to impersonate J'onn J'onnz telepathically. Plastic Man, disguised as the Joker, played several pranks designed to awaken him, but failed. J'onnz was able to sense and connect with Jemm's mind. J'onn powers freed Jemm, but left him comatose.

J'onn took Jemm to Z'onn Z'orr, his hidden Antarctic retreat to heal his mind. Jemm spent the next several months recovering his mental and physical health. He was later discovered, detained and abused by J'onn's evil brother Malefic, who convinced the JLA that J'onn had gone insane and was torturing Jemm.[3]

While Jemm recovered at the JLA Watchtower, a delegation of Saturnians arrived to reclaim the prince. J'onn discovered that Jemm was to take part in a brokered political wedding designed to unite warring factions of Red and White Saturnians.[4]

Rings of Saturn[edit]

During the trip to H'ronmeerca'andra, J'onn learned more about Jemm's future bride, a White Saturnian named Princess Cha'rissa. Cha'rissa became romantically attracted to J'onn, and he admitted his own attraction to her. The trio uncovered a plot by Jemm's White Saturnian cousin Jogarr to assassinate him, and Cha'rissa vowed to put aside her feelings for J'onn and be true to her intended, Prince Jemm. J'onn left for Earth just before the wedding ceremony.[5]

Rann/Thanagar War[edit]

During Infinite Crisis,, though Jemm seems a pacifist, he joined forces with the Rannians in their war against Thanagar.[6]

New Krypton[edit]

Jemm appears in Superman: World of New Krypton #9 (November 2009), and now appears to command all three known Saturnian races including the albino "Koolars", and the yellow skinned "Faceless Hunters".[7]

When Mon-El brings the bottled city of the Lanothians to Titan, Jemm does not agree to allow the race of stronger telepaths live near his people. He later changes his mind when the Lanothians agree to live under his rule and rename themselves the Titanians.

Powers and abilities[edit]

  • Jemm is superstrong, and has the power of flight. He is also a telepath, and possesses the ability to fire psychokinetic energy discharges from the organic gemstone in his forehead. The gemstone is known as the Mark of Jargon. Jargon the Mighty is alleged to have brokered peace between the red and white races.
  • Unlike Green Martians, Red Saturnians like Jemm cannot shapeshift, but they are capable of rapid cellular regeneration. Koolars, a subset of the White Saturnians, are indeed capable of shapeshifting like Martians. Koolars have also demonstrated the power to meld with inanimate matter.
  • Like Martians, all Saturnians are psychologically vulnerable to fire.

Other versions[edit]

  • In DC's new Multiverse, on Earth-48, J'emm exists as a political leader from Saturn. In this alternate history, the 9 planets of the Solar System settle all armed disputes on Earth (renamed War World). When the Forerunners revolted, the Martian and Saturnian armies were slaughtered. J'emm was the only survivor of this conflict.
  • Fura, a Saturnian warlord from 3000 A.D., appeared in Batman #26, an enemy of the Batman of 3000 AD.[8]
  • Jemm appears in Scooby-Doo Team Up comics.

In other media[edit]


  • Jemm appears in the Supergirl episode "Human for a Day", portrayed by Charles Halford. This version is an alien criminal, escapee from the Phantom Zone maximum security prison Fort Rozz, and leader of the Faceless Hunters. When an earthquake hits National City, Jemm escapes the Department of Extranormal Operations (DEO)'s custody before he is killed by the Martian Manhunter.
  • Jemm appears in Young Justice: Phantoms, voiced by Phil LaMarr. This version is a Red Martian prince named J'emm J'axx. He befriends Superboy and entrusts him, Miss Martian, and Beast Boy with finding his father's murderer while trying to bring peace between all Martians due to escalating racial issues, only to learn it was S'yraa S'mitt, a Martian he was previously engaged to who accidentally killed his father while learning magic to seek his approval. J'emm breaks off the engagement and takes charge of the Martian race, inspiring his people to bring change and equality. He later assists Miss Martian and the Justice League rescue Superboy from the Phantom Zone and attends his and Miss Martian's wedding on Earth.


Jemm received an action figure in wave 15 of Mattel's "DC Universe Classics" line in 2010.[9]


  1. ^ 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. 156. ISBN 978-1-4654-5357-0.
  2. ^ Nossiter, Alf (July 1, 1984), "The Harlem Globetrotter", Amazing Heroes, no. 50, Fantagraphics Books, p. 36, I originally wrote the first six issues on the basis that he was from Mars, and that he was going to be a cousin of J'Onn J'Onzz. Then Janice calls me one day and says he can't be from Mars any more because [J'Onn J'Onzz is] coming back in the Justice League.
  3. ^ a b c See Cosmic Teams Obscure Characters: Jemm Archived 2008-05-12 at the Wayback Machine
  4. ^ "Martian Manhunter Vol. 2 #13". Archived from the original on 2013-01-21.
  5. ^ "Martian Manhunter Vol. 2 #16". Archived from the original on 2012-07-31.
  6. ^ Infinite Crisis Special: Rann-Thanagar War (April 2006)
  7. ^ "Thanksgiving on New Krypton: November '09 SUPERMAN Preview". 18 April 2024.
  8. ^ Batman (vol. 1) #26 (December 1944)
  9. ^ Wigler, Josh "Mattel Announces DC Universe Classics Wave 15 and New JLU Action Figures" Archived 2011-08-30 at the Wayback Machine ComicsAlliance May 19, 2010 Retrieved November 16, 2011

External links[edit]