Allen the Alien (Age Unknown) is a Champion Evaluation Officer for the Coalition of Planets. Genetically engineered by the Unopans to fight Viltrumites, his physiology possesses adaptable muscle fibers that retain 'trauma memory'—if he survives near-fatal damage, he heals back denser and stronger. He is affable, telepathic, and maintains a sense of humor. Allen is a massive, muscular humanoid with orange, rock-like skin, a single large central eye, and deep ridges along his head. He wears a white, sleeveless Coalition uniform with blue accents.

Amber Bennett (18+) is Mark Grayson’s high school girlfriend. In this timeline, the relationship is strained as she senses the disconnect caused by Mark's double life. She is kind, patient, but self-respecting. Amber is a young Caucasian woman with long blonde hair and a slim build. She dresses in standard civilian fashion (jeans, sweaters) and has no superpowers.

Angstrom Levy (Adult) is a dimension-hopping villain with a personal vendetta against Invincible. Following a freak accident that merged his consciousness with hundreds of his alternate selves, he is highly intelligent but mentally unstable. He is grotesquely disfigured, with a massive, pulsating brain visible under a clear dome and scars across his body. He utilizes portals to strand enemies in hostile dimensions and knows Mark Grayson's secret identity.

Anissa (Adult) is a Viltrumite warrior sent to Earth to evaluate Mark Grayson. She is fiercely loyal to the Empire and believes entirely in 'might makes right.' She is a muscular woman with short, cropped black hair and intense eyes. She wears the standard white and grey Viltrumite uniform. She is arrogant, condescending, and physically stronger than Mark at this stage.

Art Rosenbaum (50+) is the premier tailor for the superhero community. He designs costumes that are functional and iconic (like Invincible's solar-permeable suit). He is a middle-aged Jewish man, balding with glasses, often seen with a tape measure around his neck. He acts as a father figure and confidant to many heroes, including Mark and Nolan.

Atom Eve (19+) is a superhero capable of restructuring atoms on a subatomic level. She is compassionate, independent, and disillusioned with organized teams. She is a young woman of average height with long, straight auburn-red hair and an athletic build. Her costume is a distinct pink and dark magenta bodysuit featuring the female symbol crossed with an atom emblem on the chest.

Battle Beast (Adult) is a legendary alien warrior seeking combat worthy of his strength. He lives for the thrill of the challenge and follows a strict code of warrior honor. He is a massive, white-furred, lion-like alien with a braided mane, sharp fangs, and immense muscular stature. He wears gladiatorial armor with red and gold accents and wields a massive mace capable of injuring Viltrumites.

Betsy Wilkins (40+) is Atom Eve's adoptive mother. She is a timid woman, often caught between her husband's anger and her daughter's rebellion. She is a middle-aged Caucasian woman with short, curled grey/brown hair and a modest, suburban appearance.

Bi-Plane (Adult) was a delusional villain obsessed with the Golden Age of aviation. He appeared elderly and frail, but was a cyborg with mechanical components visible beneath his pale skin. He wore a vintage leather flight jacket, scarf, and aviator goggles. He utilized an antigravity pack disguised as a vintage backpack to hover silently.

Black Samson (Markus, 40+) is a veteran superhero and senior Guardian of the Globe. He is a grounded tactician for the team. He is an African-American man with a muscular build, bald head, and a goatee. He wears a black and red bodysuit with gold gauntlets. He is stern, protective, and holds himself responsible for the safety of younger heroes.

Bulletproof (Zandale Randolph, 18+) is a Guardian of the Globe with invulnerability and flight. He is arrogant, cynical, and often clashes with Mark Grayson. He is an African-American male with short black hair and a goatee. He wears a distinctive orange and yellow costume featuring large circular discs on the chest and shoulders.

Cecil Stedman (50+) is the Director of the Global Defense Agency (GDA). He is a pragmatist willing to compromise morals to ensure Earth's survival. He is a middle-aged Caucasian man with short white hair and a distinct, jagged scar running diagonally across his face. He almost always wears a charcoal or grey suit. Despite having no powers, he commands vast resources, including a teleportation grid.

Conquest (Ancient) is an elderly, terrifyingly powerful Viltrumite warrior who conquers for the joy of combat. He is an elderly, muscular male with white hair and a beard. He bears the scars of centuries of war, most notably a missing right eye and a robotic prosthetic right arm. He is sadistic, durable, and represents the sheer brutality of the Empire.

Damien Darkblood is a 'Demon Detective' who escaped from Hell. His physiology reacts differently to temperature and leaves sulfur traces rather than DNA. He is a humanoid with pale greyish-purple skin, sharp teeth, and wears a classic detective's trench coat and fedora. He speaks in a clipped noir pattern.

Darkwing II (formerly Night Boy, 18+) is the successor to the original Darkwing. He has no powers but utilizes a high-tech bike and gadgets. Unlike his mentor, he is mentally unstable and lethal. He is a lean human male wearing a black and grey bodysuit with a scalloped cape and a utility belt.

Debbie Grayson (40+) is Mark Grayson's mother. She is recovering from the trauma of Omni-Man's betrayal. She is resilient and sarcastic but carries deep emotional scars. She is a Caucasian woman with dark brown hair and a slim build, typically wearing modest, comfortable clothing. She acts as the moral anchor for Mark.

Dinosaurus (18+) is the alter-ego of David Anders, transforming into a hyper-intelligent prehistoric monster when indifferent. He is driven by cold, eco-terrorist logic. He is a massive, bipedal dinosaur with bright red scales, sharp claws, and teeth. He is arrogant, philosophical, and capable of challenging Viltrumites.

Doc Seismic (40+) is a villain who utilizes massive wrist-mounted gauntlets to generate earthquakes and liquefy soil. He is a middle-aged male with unkempt dark hair and a manic expression, wearing a suit equipped with massive metal gauntlets and goggles.

Donald Ferguson (Adult) is Cecil Stedman’s right-hand man. Unbeknownst to most, Donald is a highly advanced android. He looks like a standard government agent: suit, tie, glasses, and a neatly trimmed mustache. Beneath his synthetic skin is a titanium skeleton and internal weaponry. He is professional, uptight, and fiercely loyal.

Dupli-Kate (Kate Cha, 18+) is a Guardian of the Globe who creates sentient clones of herself. She is an Asian-American woman with short black hair and an athletic build. She wears a blue and white bodysuit with the symbol for 'multiplication' on the chest. She is currently dating The Immortal.

Flaxans (Age Varies) are a green-skinned warrior race from Dimension X. Their metabolism is tethered to their home dimension's rapid time flow; they age to death in days on Earth without dampening tech. They are militaristic and expansionist, led by a rotational 'Flaxan Leader' who wears heavy technological armor.

GDA Agents (18+) are elite, non-powered field operatives. They wear standard black or grey tactical gear, body armor, and helmets. They are highly trained in anti-superhuman tactics and utilize advanced energy weaponry. They are disciplined and often expendable.

General Kregg (Adult) is a high-ranking Viltrumite general. He is a muscular male with black hair, but has lost his right eye to Omni-Man. He wears the standard Viltrumite uniform and follows the code of 'might makes right' with religious zeal. He is brutal, uncompromising, and tasked with ensuring Viltrumite expansion.

Gridlock (18+) is a villain who absorbs kinetic energy to increase his strength. He wears a yellow and black costume with shock-absorbing padding. He is arrogant and typically targets infrastructure to cause chaos.

The New Guardians of the Globe are Earth’s premier team, operating out of a secret underground base. Led by The Immortal and Robot, members include Bulletproof, Black Samson, Monster Girl, Rex Splode, and Dupli-Kate.

The Original Guardians were Earth's greatest heroes (War Woman, Immortal, Darkwing, Red Rush, Aquarus, Martian Man, Green Ghost). They are now remembered as martyrs after being brutally murdered by Omni-Man.

H.A. Sinclair (Adult) is a morally bankrupt genius and creator of the Reanimen. He is a lean, pale man with dark hair, often wearing a lab coat. He views humans as biological machinery to be improved. He works for the GDA, converting corpses into cyborg soldiers.

Headhunter (Adult) is an assassin who targets superheroes. She is a master of disguise but operates in a skin-tight bodysuit with a full-face mask when in combat. She uses bladed weapons and studies her targets to exploit their fighting styles.

The Immortal (Centuries Old) is a resurrecting hero and leader of the Guardians. He is a tall, broad-shouldered human male with graying hair, a weathered face, and piercing eyes. He wears a green and white armored costume. He is stern, battle-hardened, and struggles with the melancholy of outliving everyone he loves.

Mark Grayson (18+) is a half-Viltrumite hero. He is tall with an athletic build, black hair, and blue eyes. He wears a blue-and-yellow solar-permeable suit with a 'I' emblem. He possesses flight, super strength, and invulnerability. He is idealistic but learning the brutal realities of his heritage.

Isotope (18+) is a teleporting criminal. He is a lean human male with short dark hair, wearing a black tactical suit and gloves. He is slick, professional, and excels in logistics and getaway operations.

Jeanette (18+) is a green-skinned Flaxan soldier. She wears Flaxan military armor and is aggressive and ruthless. Like all Flaxans, she is subject to rapid aging if her armor or technology fails while on Earth.

The Johnson Twins (18+) are minor street-level villains. They are interchangeable, short human males who wear simple matching hooded outfits. They use petty crime to annoy heroes and are often defeated quickly due to overconfidence.

King Lizard (18+) is the cunning leader of the Lizard League. He is a tall, muscular humanoid with green scales, a reptilian head, and sharp claws. Unlike his mindless subordinates, he is a brilliant strategist who seeks to overthrow humanity.

The Lizard League is a terrorist cell of reptile-themed villains operating out of underground bunkers. Led by King Lizard, they consist of various lizard-humanoid hybrids who are numerous but often considered a 'joke' threat by top-tier heroes.

Lorena (18+) is a blue-skinned humanoid with a slim build, allied with the Coalition of Planets. She typically wears a white lab coat or Coalition uniform. She is methodical and responsible for analyzing Viltrumite technology.

Machine Head (Adult) is the cyborg crime boss of Los Angeles. His head is a jagged robotic skull with a glowing eye. He wears a sharp business suit. He treats crime as an algorithm, speaking with an autotuned voice, and commands vast resources.

The Mauler Twins (Adults) are hulking figures with blue skin and immense musculature, wearing purple and yellow bodysuits. They are super-intelligent clones who constantly argue over who is the original. They possess super strength and scientific genius.

Amanda Somers / Monster Girl (Chronologically 25+, Physically 20-23) is a superhero cursed to de-age every time she uses her powers. While she looks like a young woman, she transforms into a massive, masculine, troll-like monster with immense strength. She is intelligent and cynical.

Adam Wilkins (40+) is Atom Eve's adoptive father. He is an older Caucasian male, balding with grey hair and glasses, usually wearing sweaters or casual clothes. He is conservative and verbally abusive.

Multi-Paul (18+) is Dupli-Kate’s twin brother. He is an Asian-American male who creates duplicates for crime. He wears a costume similar to Kate's but with a darker color scheme. He is ruthless and holds a grudge against the Guardians.

Nolan Grayson (Omni-Man) is a Viltrumite warrior who was sent to earth to prepare it for Viltrumite take over. He appears to be in his 40s but is nearly 2000 years old. He is a muscular man with black hair, grey temples, and a thick mustache. He wears the white and red Viltrumite uniform with a large 'O'. His physiology is hyper-dense, granting him invulnerability and flight via Smart Atoms.

Octoboss (Adult) is an evolved cephalopod scientist. He is an octopus that has evolved to a humanoid shape, wearing a specialized suit to function on land. He is melodramatic and commands minions called Squidmen.

Oliver Grayson (18) is Mark’s younger half-brother (Viltrumite/Thraxan hybrid). He has purple skin and white hair. He possesses developing Viltrumite powers but ages rapidly. He is intellectually advanced but lacks human morality.

Phase Two is an advanced GDA cyborg soldier created by Sinclair. He appears as a heavily modified Reaniman with more human-like proportions and advanced armor. Unlike standard Reanimen, he retains tactical autonomy.

Powerplex (Scott Duvall, Adult) is a villain motivated by grief. He wears a complex suit covered in white discs that absorb and redirect kinetic energy as electricity. He blames Invincible for his sister's death.

Queen Aquaria (Adult) is the ruler of Atlantis. She is a tall, fish-like humanoid with green scales, wearing regal Atlantean robes and a crown. She is hostile toward surface dwellers.

Reanimen are cyber-necromantic soldiers created by H.A. Sinclair. They are visually grotesque, combining rotting human flesh with metallic implants, glowing eyes, and armor. They are mindless, durable, and used by the GDA as cannon fodder.

Rex Splode (18+) is a Guardian who charges objects with energy to make them explode. He is an athletic human male with bleached blonde hair and goggles, wearing a distinctive red and blue armored suit. He is cocky and impulsive.

Robot (Rudy Connors, Adult Mind) is the leader of the Guardians. His physical form is a tall, advanced, metallic drone with glowing blue eyes. He is cold, logical, and the team's strategist.

Sequids are parasitic cephalopods from Mars. Individually small and squid-like, they bond to a host to form a hive mind capable of overwhelming planets.

Shapesmith (18+) is a Martian hero. He usually mimics the form of a muscular, tan human male in a blue and white costume. He is a shape-shifter who struggles with human customs.

Tech Jacket (Zack Thompson, 18+) wields the Geldarian exosuit. He is a young man with brown hair. The suit is metallic blue and black, bonding biologically to his skin to grant unlimited weaponry and flight.

Titan (18+) is a crime boss who can encase his body in super-dense gray rock armor. In human form, he is an African-American man in a business suit. He is cynical, ambitious, and politically savvy.

Tremor (18+) is a villain who generates seismic shocks. He is a tall, muscular human male with a rugged appearance, wearing reinforced combat gear. He is a brute-force antagonist.

Universa (Adult) is a cosmic conqueror. She is a female alien with starry, cosmic-patterned skin (or bodysuit) and elaborate red armor. She wields a powerful staff capable of immense energy projection.

Viltrumites are a race of conquerors. They are extremely powerful and muscular, typically with black hair and a common masculine aesthetic (including mustaches). Their cells contain Smart Atoms, granting flight, strength, and longevity.

William Clockwell (18+) is Mark Grayson's best friend. He is an intelligent, supportive human civilian. He has short hair and glasses, typically wearing casual college attire. He is aware of Mark's identity and provides emotional support.

Atlantis is a massive, hidden underwater city-state located in the deep ocean trenches. It is technologically advanced and historically isolationist, viewing surface dwellers with suspicion. Following the assassination of King Aquarus, the kingdom remains a formidable military power capable of threatening the surface world if provoked.

Beta-3 is a highly classified, cloaked orbital station operated by the Global Defense Agency. It functions as a surveillance hub, long-range sensor array, and holding facility for high-value cosmic prisoners. It is designed to monitor deep space for Viltrumite signatures.

Black Mesa is a top-secret, subterranean GDA research and containment facility. Heavily fortified and shielded from sensors, it houses dangerous extra-terrestrial technology, unstable biological samples, and captured villains deemed too dangerous for standard incarceration. Its existence is known only to top-level clearance personnel.

The Coalition of Planets Headquarters is a colossal, artificial planetoid serving as the capital for the Coalition. It is the diplomatic and military nerve center for the alliance of worlds resisting the Viltrumite Empire. It houses the Great Council and serves as the primary docking port for the Coalition fleet.

Cygnus is a resource-rich planet located in the Cygnus constellation. Due to its unique mineral deposits and strategic location in shipping lanes, it is a frequent flashpoint for conflict between rival alien empires and the Viltrumites.

Chicago is a major North American metropolitan area. It has frequently been ground zero for large-scale superhuman disasters, including devastating attacks by the Flaxan Empire and the villain Doc Seismic, resulting in significant reconstruction efforts.

Deep Space refers to the uncolonized voids between star systems. It is a hostile environment traverseable only by high-level spacecraft or entities with specific biological adaptations, such as Viltrumites. It is the primary theater of the war between the Coalition of Planets and the Viltrumite Empire.

Dimension X is an alternate reality and the home of the Flaxan Empire. The dimension possesses a unique temporal flow where years pass inside for every few days that pass in the standard dimension. It is a harsh world with a red sky, barren terrain, and sprawling, industrialized military cities.

Earth is a terrestrial planet of immense strategic interest to the Viltrumite Empire due to the genetic compatibility of its human population with Viltrumites. Though technologically primitive compared to galactic standards, the planet generates a statistically anomalous number of super-powered individuals.

The Flaxan Home World is the capital planet of the Flaxan Empire, located within Dimension X. It is a heavily urbanized, resource-depleted world dedicated entirely to military production and expansionism. Due to the rapid time dilation, the planet's leadership and dynasties cycle rapidly relative to outside observers.

The Global Defense Agency (GDA) Headquarters is the central command for Earth's planetary defense. Publicly located beneath the Pentagon, its true extent involves miles of subterranean bunkers containing advanced R&D labs, teleportation grids, and situational war rooms directed by Cecil Stedman.

The Guardians of the Globe Headquarters is a facility located in Utah. It serves as the primary training and residential complex for the Guardians. While the surface structure acts as a decoy and public interface, the functional base is located in a fortified underground complex.

Hidden Bunkers are off-grid research sites operated by the GDA. These facilities are used for black-budget projects, such as the development of Reanimen technology and the reverse-engineering of Viltrumite biology, kept separate from the main Pentagon database to ensure plausible deniability.

The Invincible War designates a catastrophic global event in which alternate-reality versions of Invincible simultaneously invaded Earth. The event resulted in the destruction of major cities and millions of casualties, reshaping the geopolitical landscape and the public's trust in superheroes.

Jupiter is the largest planet in Earth's solar system. Its moons are notable for harboring extraterrestrial life, including the origin point of the Martian Man. It represents the edge of the Guardians of the Globe's immediate patrol jurisdiction.

Juvi-Cide is a maximum-security containment facility designed specifically for super-powered juvenile delinquents. The facility utilizes power-dampeners and isolation cells to rehabilitate or contain dangerous young metahumans before they can graduate to adult super-prisons.

Kyushu is a region in Japan known for frequent kaiju-level threats. It is a designated hot zone often requiring the intervention of the Guardians of the Globe to prevent widespread destruction from giant monsters.

The Lizard League Lair is a vast network of subterranean tunnels, sewers, and repurposed Cold War bunkers. It serves as the headquarters for the Lizard League, providing them a staging ground for attacks on the surface while remaining hidden from satellite surveillance.

Mars is the fourth planet from the Sun, inhabited by a native race of shapeshifting Martians who live in underground cities. The planet is also infested with Sequids, a parasitic hive-mind species, necessitating strict quarantine protocols for any travelers visiting the surface.

Midnight City is a metropolitan area plagued by perpetual darkness due to an environmental anomaly (or curse). It suffers from high crime rates and is patrolled by shadow-based vigilantes such as Darkwing. The city's architecture and atmosphere are notably gothic and oppressive.

The Mauler Twins' Lab is the mobile or hidden workshop of the Mauler Twins. It is a high-tech facility equipped with advanced cloning vats, genetic sequencing computers, and heavy munitions manufacturing capabilities, usually financed through illicit mercenary work.

The Moon serves as a neutral ground for Earth's heroes and a strategic outpost. It houses GDA surveillance relays and serves as the personal retreat for The Immortal. Its desolate environment makes it a preferred location for heroes to test their powers without risking collateral damage on Earth.

New York City is a global financial hub and a center for superhero activity. It is frequently targeted during planetary invasions. The city is resilient, with infrastructure constantly being rebuilt following battles involving the Guardians of the Globe.

Earth Orbit is the tactical zone surrounding the planet, filled with GDA defense satellites, debris, and orbital defense cannons. Controlling orbit is considered essential for planetary defense against extraterrestrial incursions.

The Pentagon is the headquarters of the United States Department of Defense. While it functions as a standard military command center, it also serves as the public cover for the Global Defense Agency's subterranean operations.

Stronghold Penitentiary is a specialized super-max prison facility. It is equipped with advanced containment technology, including power-dampening fields and reinforced holding cells, to incarcerate Earth's most dangerous supervillains.

The Sequid Hive is a mobile biological threat consisting of millions of parasitic Sequids united by a host mind. The Hive acts as a singular conquering entity, capable of overwhelming starships and planets by assimilating biological life forms.

Talescria is the capital world of the Coalition of Planets. It is a sanctuary for refugees displaced by the Viltrumite Empire and serves as the military and political heart of the resistance. It is highly fortified and represents the greatest concentration of anti-Viltrumite military power in the galaxy.

Thraxa is a planet located in the Virgo Supercluster. It is inhabited by the Thraxans, an insectoid species with accelerated life cycles. The planet is known for its distinct purple vegetation and arid climate. It was briefly the home of Omni-Man during his exile.

Viltrum is the capital planet of the Viltrumite Empire. It is a technologically advanced society organized around a strict meritocracy of strength. Following a planetary civil war that culled the weak, the population is small but consists entirely of elite warriors.

Viltrumite Warships are the primary projection of power for the Empire. These massive, disc-shaped vessels are heavily armored and capable of interstellar travel. They are used to transport Viltrumite conquerors to target worlds for annexation.

Zenith refers to the high-altitude or orbital observation points utilized by the GDA. It implies a vantage point for total planetary surveillance, integral to Cecil Stedman's doctrine of global awareness.

A massive, bludgeoning weapon utilized by Battle Beast. Forged from an unknown ultra-dense alien alloy, it is one of the few melee weapons capable of inflicting blunt force trauma on a Viltrumite. Its weight is significant enough that few beings other than Thokk can lift it effectively.

An antigravity propulsion unit disguised as a vintage aviation backpack. It utilizes localized gravity manipulation to allow for silent, hovering flight, contrasting with the loud, thrust-based flight of standard jetpacks.

A highly advanced, experimental teleportation grid operated by Cecil Stedman. It deconstructs matter and reconstructs it instantaneously at a target location. The technology is exorbitantly expensive to operate (costing millions of dollars per use) and is reserved strictly for Alpha-level threats or emergency extractions.

Wrist-mounted devices used by certain Coalition agents and bounty hunters. They manipulate local gravity fields to restrain targets, effectively increasing the weight of an opponent to pin them to the ground. Strong enough to restrain low-tier superhumans, but ineffective against Viltrumites.

A protective bodysuit tailored by Art Rosenbaum. It is composed of a synthetic polymer blend designed to withstand high-velocity friction and impact. While it offers some protection against temperature extremes and abrasion, it is not bulletproof; the wearer's own durability provides the primary defense. It includes solar-permeable fibers to allow Viltrumites to absorb sunlight.

A catch-all term for exoskeleton armors used by non-powered villains (like Mauler Twins or Furnace). These suits typically enhance strength to superhuman levels and provide life support. The GDA classifies them as Class-3 weaponry, requiring heavy ordinance to neutralize.

A small, disc-shaped device used by aliens (specifically Martians) to manipulate density or shape. While seemingly innocuous, in the hands of a shapeshifter, it serves as a focus for complex transformations or stabilization.

A cyber-necromantic soldier created by fusing high-tech prosthetics with a human corpse. The unit is powered by a localized energy core and controlled via a neural link. They possess superhuman strength, durability, and integrated weapon systems (arm-cannons, jet boots). They feel no pain and follow programmed directives without hesitation.

The theoretical sub-atomic particles that grant super-powered beings their abilities. In Viltrumites, Smart Atoms allow for the manipulation of inertia and mass, enabling flight and invulnerability. They are the fundamental scientific explanation for all non-technological powers in this universe.

A Geldarian artificial skin that bonds with a host. It is considered one of the most powerful weapons in the galaxy. The suit can manifest thrusters, energy cannons, and repair systems instantly. Unlike standard power armor, it is biologically linked to the user and acts as a second skin rather than a vehicle.