A
Abel Carmody was the 19th Century U.S. Calvalry soldier and industrialist who built Carmody’s Folly and was an ancestor to Kishana Lewis.
The Alien Arsenal was a museum of ancient weapons from the planet Vonn that accidentally and repeatedly teleported to Earth. It was seemingly wrecked in a battle involving Superman and a Thythen.
The Arkymandryte was an early enemy of Mongul.
Arnold Hugo: see "Professor Arnold Hugo."
B
B'enn B'urnzz is a Martian Desert Dweller criminal from the year 2062 who escaped to the present before being captured by Martian Manhunter and Futureman.
B'rett is a yellow-skinned Martian convict who escaped captivity to Earth before being recaptured by Martian Manhunter. He was responsible for altering J'Onn J'Onzz's powers and revealing his existence on Earth.
B'urnzz, B'enn: see "B'enn B'urnzz."
Bak'sar, Tybalt: see "Tybalt Bak'sar"
Baltaz is an underground city located on Mars II with an atmosphere deadly to Martians.
Baltaz's Council is the ruling authority of the buried city of Baltaz on Mars II.
Bel Juz is a Martian Desert Dweller who secretly betrayed her people to the Thythens. She became lover and confident to the Marshal of the Red Brotherhood during his military coup against Martian Manhunter.
Blanx, Commander: see "Commander Blanx"
The Blue Flame of Mars was an energy source that, when unleashed by Commander Blanx, wiped out signs of life and rendered uninhabitable most of the surface of the planet Mars.
C
Capsule Master: see "Vulkor, the Capsule Master."
Carmody, Abel: see "Abel Carmody"
Carmody’s Folly was a fortress built by Abel Carmody to fend off the Scary Monsters that have threatened to possess all life on both ancient Mars and Earth.
Carré, Pierre: see "Pierre Carré"
Cay'an is a Natural Martian who holds J'Onn J'Onzz responsible for H'ronmeer's Plague due to his unwillingness to kill his brother Ma'alefa'ak before his initiating the genocide. She developed an intricate plan for revenge involving brainwashed White Martians and the Department of Homeland Security that ultimately failed.
Certa, Joe: see "Joe Certa"
Charles Brigham Dade was a C.I.A. operative whose grief over the death of his fiancée led him on an anti-alien mission involving Jemm and Superman. He was killed by Saturnian robots.
Commander Blanx was the Pale Martian leader who saw to J'Onn J'Onzz's exile from Martian society for thirteen years, as well as an attenpted assassination attempt on Earth. During this time, Blanx sold the planet Mars to aliens under the condition that he would exterminate all other life on the planet. Blanx rendered Mars uninhabitable, the only survivors fleeing on a spaceship to find a new world. Blanx was apparently killed by the Martian Manhunter for his crimes.
The Conjurer is a fantastic human magician who used slight-of-hand for daring thefts in Middletown before being captured by Detective John Jones.
Cott, N'or: see "N'or Cott"
The Crystal Key was entrusted in J'onn J'onzz by the Largas to prevent it from making the Warworld operational.
Crystal Mountain resides near the city of Baltaz on the planet Mars II.
The Cube-Trap was a devious device employed by Mongul throughout the Bronze Age.
D
Dade, Charles Brigham: see "Charles Brigham Dade."
Dalbert, Wiley: see "Wiley Dalbert."
Deidre Johnson was a NASA scientist and the fiancée of Charles Brigham Dade killed while investigating a Saturnian spaceship.
Despero's jetboat was used on the planet Sirkus.
Despero's Super-Ship was used to slaughter an ersatz Justice League on the planet Sirkus.
Diabolu was an ancient Babylonia wizard who so loathed mankind that he created an Idol-Head full of monstrous evils to be unleashed at his pleasure. Diabolu died, but centuries later his Idol-Head was activated, wrecking havoc at monthly intervals.
Director Ergon is an alien scientist on the planet Sirkus who kidnapped Superman and tried to create a false Justice League of America to fend off the advances of Despero.
Doctor Samedi is a villainous voodoun active in Central America who ran afoul of the Martian Manhunter and the heroine Fire.
Doctor Trap is a human serial killer who blames superhumans for the death of his wife, and sets elaborate traps to execute them in retaliation. Martian Manhunter is among his foes.
Doomsday is an alien creature who through experimentation became an extremely proficient berserk killing machine. He has a special enmity toward Kryptonians, drawing him repeatedly into conflict with Superman and his friend J'Onn J'Onzz.
E
The Mars-Earth Comet passes each planet once a year over a two hour period.
Eda, Re's: see "Re's Eda"
Eel-Creatures are semi-humanoid beings that live on the planet Sirkus and were once employed by Despero.
F
Faceless: see "Mister V"
Falcon, The: see "Human Falcon"
Ferdinand, Rio: see "Rio Ferdinand"
Fouchere, Marie: see "Marie Fouchere"
Flamebirds are winged humanoid beings with psychopyrrhic powers that live on the planet Sirkus and were once employed by Despero.
General Synnar was the father of Synn, and led the White Saturnian forces in a bid for conquest of H'ronmeerca'andra that unintentionally wiped out most of its population. He went mad and was killed by Jogarr.
G
The Getaway King: see "Monty Moran."
The Getaway Mastermind: see "Monty Moran."
General Synnar was the father of Synn, and led the White Saturnian forces in a bid for conquest of H'ronmeerca'andra that unintentionally wiped out most of its population. He went mad and was killed by Jogarr.
Governor Kwim presided over the planet Sirkus at a time when it was conquered by Despero.
H
H'ronmeerca'andra is the Martian name for the planet Saturn. It is inhabited by the descendants of Martian clones. The red-skinned Saturnians were engineered by Green Martians, while the white-skinned ones were created as slave labor for White Martians.
Haven: The Broken City is a prison colony which political dissidents managed to convert into a spacecraft that crash landed near Coast City, California. The survivors within sought asylum, and interacted with many Earth heroes before the city's flight capabilities were restored and they departed.
The Headman: see "The Headmaster"
The Headmaster is a mad scientist who implanted his brain into a cyborg body. Believing Earth to be doomed, Headmaster began harvesting other human minds to outlive the planet in his spaceship, which was destroyed by J'Onn J'Onzz.
Hugo, Arnold: see "Professor Arnold Hugo."
The Human Falcon, in story simply called "The Falcon," is an elaborate thief with a fixation on birds who was captured after a heist in Middletown by J'Onn J'Onzz.
Hunter Commander J'en was a lover of J'onn J'onzz on Mars II before their estrangement and her joining the militant group the Soldiers of the Red Brotherhood. J'en assisted J'onzz in halting an invasion of Earth by Martian forces.
The Hyperclan are ancient White Martians who were released from the Still Zone in modern times. They pretended to be super-heroes before launching two separate invasion attempts against Earth.
I
Inflict is a member of the extraterrestrial battle lords Conquerer Rex who was defeated in battle by Martian Manhunter.
J
J'en: see "Hunter Commander J'en."
Jarlla: see "Queen Jarlla."
Jasonar is the Kalanorian scientist who fled to Earth with his daughter Saranna to enlist the aid of the Justice League of America in overthrowing Despero.
Jaxx: see "King Jaxx."
Joe Certa was the co-creator of the Manhunter from Mars and the artist on the strip from 1955-1968.
Johnson, Deidre: see "Deidre Johnson."
Juz, Bel: see "Bel Juz."
K
Kar, Roh: see "Roh Kar."
King Jaxx was the father of Jemm and the former ruler of H'ronmeerca'andra, better known as Saturn. He was believed killed by General Synnar.
Kishana Lewis is a California Forest Service fire fighter who as the descendent of Abel Carmody inherited super-powers to defend the Earth against the Demons of Black Spirit Lake. She was briefly the lover and ally of J'Onn J'Onzz.
The Krill are a nearly extinct alien race who once forced Despero and the Justice League of America to fight for their entertainment.
The Krypt-Kicker was a rifle developed by the C.I.A. to be capable of bringing down Superman.
L
The Largas were a peaceful race who discovered the abandoned Warworld and entrusted its key to J'onn J'onzz for the safety of the universe.
Larry Trapp: see "Doctor Trap."
Lewis, Kishana: see "Kishana Lewis."
The Lizard Men are a saurian alien race who briefly conquered much of Earth in the late 1950s before being defeated by Martian Manhunter.
M
Marie Fouchere is a French double agent who had a history with Marco Xavier, and helped the Martian Manhunter defeat Vulture agent Abba Sulkar.
The Marshal of the Red Brotherhood is a Martian Desert Dweller military leader associated with Bel Juz who staged a successful coup on Mars II. He launched a failed invasion of Earth, which was routed by Martian Manhunter and the Justice League of America, ending his career in shame.
Martian Meteorites tend to be green in color, and when heated or gaseous can have an unpredictable effect on the powers of an exposed Martian.
Martin Smith was the identity of a U.N. investigator assumed by J'Onn J'Onzz whilst following up on the shooting death of an alien life form.
The Master Gardener of Mars is a Natural Martian horticulturalist and survivor of H'ronmeer's Plague who masqueraded as the Father-God of the Lizard Men, with whom he briefly conquered much of Earth in the late 1950s. He was defeated by Martian Manhunter and is believed dead.
Mendez, Senor: see "Senor Mendez"
Mr. Moth is a bug-themed thief who was netted by the Manhunter from Mars.
Mr. Steele was part of a special secret department that first alerted the Martian Manhunter to the threat of Vulture.
Mister V, A.K.A. "Faceless," was the mastermind behind the international crime organization Vulture. J'onn J'onzz assumed the new identity of Marco Xavier to bring down the operation. The masked manipulator's identity was repeatedly "revealed" as one proxy after another until he was presumably uncovered and killed in an explosion.
Monty Moran is a master inventor, crime boss and thief who specializes in escape vehicles. He has fought Martian Manhunter and the Justice League of America, leading to his repeated incarceration. Sometimes called the "Getaway King" or "Getaway Mastermind."
Moran, Monty: see "Monty Moran."
Moth, Mister: see "Mr. Moth"
N
N'or Cott was the Commander of the Martian Army on Mars II who became embroiled in a plot to frame J'onn J'onzz for murder and treason. He revealed his part in the scheme before dying from exposure to the poisonous atmosphere of Baltaz.
O
The Old One is the guardian of the underground city of Baltaz on Mars II.
The Osprey is a flying super-villain who has a grudge against Martian Manhunter and the Justice League Task Force.
P
Pierre Carré was a friend of Marco Xavier whose Carré Company developed an "ultimate weapon" stolen by a disguised Martian Manhunter.
Professor Arnold Hugo is a human scientist who artificially expanded the size and capacity of his head and brain. He then began a crime spree in Gotham City before expanding to Middletown and beyond. This brought him into repeated conflict with and incarceration by Martian Manhunter, as well as a case involving Batman & Robin.
Professor Ivo is a scientist obsessed with immortality whose mind and body have been twisted by its pursuit.
The Prophet is an exceptionally powerful alien religious zealot who came into conflict with the Martian Manhunter.
The Pyre is a fiery entity destined to become one of Martian Manhunter's greatest enemies.
Q
Queen Jarlla was the wife of King Jaxx and the mother of Jemm, Son of Saturn. She was killed by a White Saturnian robot.
R
Re's Eda is the former best friend of J'onn J'onzz, whom he betrayed as part of a scheme to take over leadership of his people on Mars II. As part of Re's Eda's warmongering, he nearly lead his army into a city with a lethal atmosphere before being stopped and exposed by a team of super-heroes.
Rio Ferdinand performed black ops for the Department of Homeland Security until being sold out by her supervisor, Keane. Turnabout being fair play, she turned over incriminating evidence on Keane, including his involvement in torturous experiments on captured Martians uncovered by J'Onn J'Onzz.
The Robo-Chargers were weapons of the Thythen powered by the minds of Martian slaves.
Roh Kar is a Martian fascinated with Earth culture, especially law enforcement. The self-proclaimed "First Lawman of Mars" pursued the criminal Quork from Mars to Earth, teaming up with Batman and Robin to effect a capture. Roh Kar predated and influenced the creation of the Martian Manhunter character.
S
Samedi, Dr.: see "Doctor Samedi"
Saranna is the daughter of Jasonar who fled with him to Earth to seek aid against the tyrant who had conquered their world, Kalanor.
Saturn: see "H'ronmeerca'andra."
Savage, Vandal: see "Vandal Savage"
The Scepter of State is a sacred staff bestowed upon the leader of Mars II.
Section T2 was a lackluster division of Vulture captured by the Martian Manhunter.
Senor Mendez was a member of VULTURE's Section T2
Smith, Martin: see "Martin Smith"
Sirkus is a planet that was once conquered by Despero.
The Spacefort was the colony created from salvaged technology to house the survivors on Mars II.
Steele, Mr.: see "Mr. Steele"
Synnar: see "General Synnar."
T
The Tablet of Tal is a sacred artifact of the underground city of Baltaz on Mars II.
Tal: see "Tablet of Tal."
Telok'Telar is a White Martian who was captured by Cay'an, brainwashed into believing that he was a green-skinned Natural Martian, and sold to a government research lab. His normal form eventually reasserted itself, but not his mind, and he was institutionalized by J'Onn J'Onzz.
The Thythen are warmongers who drove off much of the native population of the planet Vonn, then briefly enslaved exiled Martian Desert Dwellers to power their Robo-Chargers. They were defeated by Superman, Martian Manhunter, and the latter's fellows.
TOR was a nigh indestructible robot built on Mars who was accidentally programmed for crime. TOR was eventually tricked into boarding a rocket ship bound for a planet whose atmosphere could destroy TOR. The robot briefly managed to project its mind into an Earthling host body, but eroded to nothing before he could kill the Manhunter from Mars.
Trapp, Larry: see "Doctor Trap."
Triumph is a superhuman with electromagnetic abilities. One of the first heroes of the modern age, but due to temporal anomalies and constant misfortune he has been largely forgotten. His relationship with Martian Manhunter was violently antagonistic before Triumph was turned toward outright villainy and apparently killed.
Tybalt Bak'sar is a genocidal alien outfitted by the Weaponers of Qward who swore to kill his enemies J'Onn J'Onzz and Green Lantern Abin Sur.
V
V, Mr.: see "Mister V"
Vandal Savage is an immortal despot who has plagued many heroes over the centuries, including Martian Manhunter and the Justice League Task Force.
Vulkor, the Capsule Master is a Martian Desert Dweller criminal who employed a high tech vehicle to collect weaponry for use against Mars and beyond. He was arrested on Earth and extradited by Martian Manhunter and Green Arrow.
W
Warworld was in the Bronze Age a mobile Death Star which J'onn J'onzz fought to keep out of the hands of Mongul, no thanks to Superman.
The Warzoon were the warrior race who created Warworld, only to be killed by it one by one.
Wiley Dalbert is a 27th century human physicist who decided to travel backward through time in spurts before settling in the early 20th Century. Dalbert paid his way through theft, drawing him into conflict with Detective John Jones, Batman and others.
Z
Züm was a White Martian who pretended to be a humanoid with super-speed while attempting to conquer Earth with the Hyperclan.
