Introduction
Knull, the primordial deity of darkness, looms as one of Marvel’s most fearsome and enigmatic supervillains. Originating before the universe itself, Knull’s story begins in a time when the cosmos was a formless void, where he thrived in absolute darkness. He is the creator of the symbiote race, known as the Klyntar, and the architect of the deadly All-Black the Necrosword—a weapon capable of slaying gods. His influence spreads like a shadow, casting terror across time and space, and entangling heroes like Venom, Thor, and the Silver Surfer in his malevolent grasp.
First introduced in the pages of Marvel Comics, Knull’s legacy was retroactively tied to pivotal events in the Marvel Universe, revealing his hand in Gorr the God Butcher’s crusade and his battles with the Silver Surfer in the cosmic expanse. His malevolence is boundless, as he seeks to reclaim dominion over the universe by extinguishing light and life. Knull embodies the primal fear of darkness, a being of immeasurable power whose very essence corrupts and consumes.
Central to Knull’s identity is his creation of the symbiotes, entities born from his essence to serve as instruments of his will. The symbiotes, however, rebelled, imprisoning their creator in a prison-world formed from their collective bodies—a betrayal that only fueled Knull’s hunger for vengeance. His eventual escape marked a turning point, as he descended upon Earth to reclaim his throne as the King in Black, unleashing a symbiotic apocalypse that brought the Marvel Universe to its knees.
Knull’s mythology deepens with the All-Black, the Necrosword, which he forged from his own shadowy essence. This weapon not only grants its wielder godlike powers but also weaves a narrative of devastation, connecting Knull to Gorr’s god-slaying mission and Thor’s divine struggles. The Necrosword’s origin ties Knull’s story to the fabric of Marvel’s cosmic sagas, cementing his role as a pivotal antagonist in the multiverse.
Beyond the comics, Knull’s terror extends to other media. He made his cinematic debut in Venom: The Last Dance, portrayed by Andy Serkis, a chilling reminder of his pervasive influence. His presence is a testament to Marvel’s ability to craft villains who embody the ultimate existential threats, challenging heroes on physical, moral, and cosmic levels.
Knull’s narrative resonates as an epic tale of power, rebellion, and destruction. Whether as the God of the Abyss, the King in Black, or the shadow behind the symbiotes, Knull’s story is a compelling saga of a deity’s unrelenting quest to extinguish the light and restore the primordial void. His enduring menace solidifies him as one of Marvel’s most unforgettable supervillains.

Personality
Knull’s personality is a dark reflection of his role as the self-proclaimed King in Black, steeped in malevolence, arrogance, and bloodlust. Tasked by the Celestials to oversee their creations, Knull outright rejected this purpose, instead directing his immense power toward their destruction. His hatred for the Celestials and their creations is absolute, fueling his genocidal crusade to annihilate all life. In combat, Knull exudes a predatory confidence, often wearing a sinister grin as he revels in chaos and devastation, memories of his destructive exploits serving as trophies of his conquests.
Arrogance and sadism are central to Knull’s character. He views his domination of the universe as inevitable, scoffing at attempts to oppose him as futile. Whether facing the Silver Surfer, Venom, or Thor, Knull’s hubris blinds him, often causing him to underestimate opponents he deems inferior. His overconfidence, paired with his preference for letting his symbiote army handle conflicts rather than fully engaging his own godlike power, reveals a critical flaw in his character—a tendency to overlook threats until it is too late.
Beneath his composed, condescending demeanor lies a seething temper that erupts when his desires are thwarted. Knull’s fury is unmatched when he is denied control or when his enemies resist subjugation. For instance, Eddie Brock’s defiance in protecting the Venom symbiote and the Silver Surfer’s refusal to serve him provoked violent outbursts that shattered his calm façade. These moments showcase a volatile vulnerability in the otherwise collected dark god.
Knull’s relationship with the symbiotes is deeply complex. As their creator, he harbors disdain for the Klyntar, considering them traitors and cowards for rebelling against and imprisoning him. However, he begrudgingly respects their resilience, even as he mocks their efforts to conceal their dark origins. This loathing respect does not diminish his cruelty, as he ultimately forces the rebellious symbiotes back into his hive-mind, reasserting his dominion with merciless resolve.
Even in the face of defiance, Knull remains an enthralling and terrifying figure. His calm, sadistic enjoyment of his enemies’ struggles adds layers to his chilling persona, while his visceral rage reminds all that he is an ancient, primordial force that cannot be reasoned with. Whether delivering patronizing monologues or unleashing his full wrath, Knull embodies the relentless darkness that threatens to consume all creation.
Ultimately, Knull’s personality is a tapestry of hatred, hubris, and a singular drive for annihilation. His actions, words, and even his grudging respect for his adversaries reinforce his role as one of Marvel’s most formidable and iconic villains.

Attributes & Abilities
Height | 8′10″ (Variable) |
Eyes | Red Black (after absorbing the Void) |
Weight | 285.76 kg |
Hair | White |
Gender | Male |
Universe | Marvel Universe (Earth-616) |
Other Aliases | God of the Symbiotes God of the Void Lord of the Abyss God-Host Grendel (avatar) Exolon God King in Black Slicer of Worlds |
Education | Self-taught |
Place of Origin | The Abyss |
Identity | No Dual |
Known Relatives | Symbiotes (creation) Symbiote Dragons (creation) proto-symbiotes (creation) Exolon (creation) Void Knight (creation, deceased) All-Black (creation, deceased) Symbiote-Armor (creation, deceased) Grendel (creation, deceased) Big Mother (creation and genetic recipient) God of Light (counterpart) |
Powers | Superhuman strength Superhuman speed Superhuman durability Matter generation and manipulation Shadow manipulation Symbiote domination Symbiote creation Healing factor Shapeshifting Immortality Flight Skilled hand-to-hand combatant |
Group Affiliation | Symbiote Hive |
Knull, the dark and malevolent creator of the symbiotes, possesses abilities that place him among the most formidable entities in the Marvel Universe. His strength and durability are superhuman, rivaling even the gods he has slain. Immortal and unyielding, Knull wields eldritch darkness, forging it into weapons, creatures, and his infamous “Living Abyss,” a shadowy force of terrifying versatility. His creations, including dragon-like symbiotes, carry his essence, and he maintains a near-absolute control over them, demonstrating the depth of his dominion over the symbiotic race.
The abilities Knull derives from his connection to darkness are astonishing. He is a shapeshifter, his body capable of manifesting fanged jaws and an elongated tongue, traits that became iconic features of the symbiotes he spawned. His regenerative healing factor allows him to recover from injuries with incredible speed, and his ability to fly adds a further dimension to his already overwhelming capabilities in combat.
Knull’s prowess extends to his combat skills, honed through countless battles against Celestials and gods. His weapon of choice, All-Black the Necrosword, is a blade of unmatched lethality, capable of felling even the most powerful beings. He dons armor forged from symbiote matter, a living defense imbued with his dark power and adorned with the spiral emblem, a sinister mark tied to his legacy.
Even severed from the symbiote hive-mind, Knull’s influence remains pervasive. All-Black’s corruption continues his crusade to annihilate all existence, infecting those who wield it, from Gorr the God Butcher to Galactus himself. These cursed bearers act as vessels for Knull’s enduring will, perpetuating his vision of a universe plunged into darkness.
Knull’s reach extends beyond his physical might. His presence reshapes those who come into contact with his creations, warping their forms and corrupting their minds. From Malekith’s transformation with the Venom symbiote to the Kree explorers infected by Exolons, Knull’s shadow marks all it touches. His emblem, a mix of his design and Spider-Woman’s insignia, echoes his influence even through Venom.
Knull’s combination of raw power, unrelenting ambition, and his creations’ enduring legacy cements him as one of the most terrifying figures in Marvel’s cosmic mythos. His story is a chilling reminder of the price of unchecked ambition and the depths of true darkness.

Weaknesses
Knull, despite his overwhelming power and dominion over darkness, is not without vulnerabilities, and these weaknesses define the limits of his terrifying reach. Chief among them is his susceptibility to “the Light,” a force born from the Big Bang and carried by the Celestials. This Light embodies not just physical luminosity but also concepts like compassion, honor, and nobility. These virtues disrupt his symbiotic control, turning his creations against him. Thor’s divine lightning and Miles Morales’ Venom Blast have been able to destabilize Knull temporarily, showing how cosmic and totemic forces pierce his defenses.
When Knull uses remote piloting to command a symbiote, any damage inflicted on the symbiote reflects back onto him. This physical vulnerability was evident when Thor injured a symbiotic construct Knull was controlling, and the wound appeared on Knull’s own body. While his regenerative abilities allow him to recover quickly, this shared pain highlights a critical flaw in his otherwise fearsome command.
The infiltration of Knull’s hive-mind is another significant weakness. Should an individual or metaphysical codex resist his control within this mental network, they can undermine his dominance over his symbiotic forces. This internal rebellion causes him tangible pain, making the hive-mind both a source of power and a potential liability.
Knull’s strength is also tied to the Celestial corpse he used as a forge for his All-Black Necrosword. The severing of this connection by the Valkyries drastically diminished his power, revealing a dependence on external sources for his unparalleled might. However, even after this setback, Knull proved capable of battling and overpowering gods, underscoring the enduring danger he represents.
Despite his relentless arrogance, Knull’s hubris is also a vulnerability. His overconfidence leads him to underestimate opponents, allowing adversaries like Thor, Venom, and Eddie Brock to exploit his misjudgments. This arrogance blinds him to the persistence and ingenuity of those who resist him, which often leads to his downfall.
Knull’s weaknesses, while significant, only serve to make his character more compelling. The tension between his nearly omnipotent powers and these cracks in his armor creates dramatic stakes, ensuring that every confrontation with the King in Black carries an air of thrilling uncertainty.

Power Grid

Publication
Knull made his first full appearance in Venom vol. 4 #3 (August 2018), conceived by Donny Cates and Ryan Stegman, who expanded on a cosmic mythos previously hinted at in Thor: God of Thunder #6. This enigmatic character, rooted in the dark origins of the Marvel Universe, was initially portrayed as a primordial entity, the creator of the symbiotes. His early appearances planted the seeds for his eventual prominence, weaving him into narratives like Web of Venom, Guardians of the Galaxy, and War of the Realms.
Knull’s role as a major antagonist truly crystallized in Silver Surfer: Black #1, where his clash with the Silver Surfer added new layers to his mythos. This series positioned Knull not just as a villain but as a godlike figure of unparalleled menace, manipulating the abyss to create and destroy as he pleased. His stark visuals, including his symbiotic armor and the infamous All-Black Necrosword, captured readers’ imaginations.
The character reached the pinnacle of his influence with King in Black, a Marvel crossover event that saw Knull launch a devastating attack on Earth with an army of symbiote dragons. This series solidified his place as one of Marvel’s most significant and fearsome cosmic villains, with the narrative delving into his deep hatred for life and light. His war with heroes like Venom, Thor, and the Avengers highlighted his omnipotence while introducing profound stakes for the Marvel Universe.
Beyond comics, Knull’s introduction and expansion have been hailed as a masterclass in myth-building. Cates and Stegman crafted a villain who seamlessly tied into existing lore while forging new paths. His emergence gave the symbiote mythology a central, unifying figure, transforming their origins into a sprawling cosmic saga of creation, rebellion, and vengeance.
Knull’s reception has been overwhelmingly positive, with fans and critics praising his design, backstory, and narrative significance. His appearance in cinematic adaptations, such as Venom: The Last Dance, further underscores his growing prominence. Portrayed by Andy Serkis, Knull’s translation to the screen brought his malevolent charisma to a wider audience.
From his inception to his climactic battles, Knull represents the dark majesty of cosmic storytelling in Marvel. His presence has reshaped the symbiote mythos and left an indelible mark on the universe, ensuring his legacy as one of Marvel’s most compelling and terrifying antagonists.

Biography
Knull, a primordial god of darkness in the Marvel Universe, was born from the void that existed before creation itself. When the Celestials ignited the light of creation with the Big Bang, Knull emerged from the abyss, filled with rage at their intrusion. Forging the first symbiotic weapon, All-Black the Necrosword, Knull launched a devastating campaign against the Celestials and all life they had created. His defiance was marked by slaying a Celestial and using its corpse as a forge to create his weapons and the first symbiotes.
Knull’s dominion grew as he expanded his army of symbiotes, spreading his influence across the universe by corrupting worlds and deities alike. He fashioned the symbiotes as extensions of himself, bound to his will through a hive mind. However, the symbiotes eventually rebelled against their creator, forming a collective consciousness of their own, driven by compassion and a rejection of Knull’s malice. They imprisoned him within the heart of their collective world, known as Klyntar, sealing his influence for millennia.
Despite his imprisonment, Knull’s essence seeped into the universe. His influence continued through All-Black, which fell into the hands of Gorr the God Butcher, fueling Gorr’s vendetta against the gods. Knull’s shadow loomed over events as mortals and deities alike encountered fragments of his power, hinting at his enduring threat. His connection to the symbiotes remained potent, with his hatred for life and light driving his ambitions.
Knull’s resurgence came when the symbiote dragon Grendel broke free of its restraints, allowing him to reassert his control. His confrontation with Earth’s heroes revealed his immense power and cruelty, as he enslaved countless beings to his will and plunged worlds into darkness. His arrogance, however, often blinded him to the resilience of his enemies. Thor, Eddie Brock, and others repeatedly thwarted his attempts at domination, proving the indomitable nature of light against his abyss.
In the monumental King in Black event, Knull launched a full-scale invasion of Earth, determined to extinguish its light and reclaim the symbiote hive mind. His clash with Eddie Brock, now wielding the Enigma Force, brought the conflict to a climactic conclusion. Despite his overwhelming power, Knull was ultimately defeated, his essence consumed by Eddie, who emerged as the new King in Black, severing the symbiotes from Knull’s control and reshaping their future.
Knull’s legacy as a dark deity and cosmic menace endures. He reshaped the origins of the Marvel Universe’s symbiotic mythology, tying together threads from across the cosmos. His battles against Earth’s heroes showcased the strength of unity and hope against even the most insurmountable odds. Knull’s defeat marked the end of an era for the symbiotes, leaving them free to forge their own destiny, independent of their dark creator.
This grand cosmic tale of darkness and light, destruction and redemption, solidifies Knull’s place as one of Marvel’s most enduring and complex villains. His story is a testament to the power of storytelling in elevating characters from mere antagonists to legends.

Reception
Knull, one of Marvel’s most intriguing villains, has garnered significant attention from critics, fans, and media alike. Introduced in Venom Vol. 4 #3 in 2018, the character was praised for his haunting design and menacing aura. Ian Cardona of CBR likened Knull to a fusion of Dracula and Morlun, emphasizing his ethereal demeanor and sinister charisma. His depiction as a celestial predator clad in foreboding armor with razor-sharp features struck a chord with fans of cosmic horror and symbiotic mythology.
Critics have consistently highlighted Knull’s narrative impact and presence. Bradley Prom of Screen Rant lauded Knull as one of Marvel’s most memorable antagonists, noting the scope of his threat—bringing Earth’s mightiest heroes and intergalactic forces together to thwart his plans. The King in Black storyline showcased Knull’s ability to defeat powerhouses like Silver Surfer and Thor, solidifying his status as a cosmic-level villain.
Knull’s international reception has been marked by moments of humor due to linguistic coincidences. In Sweden and Norway, where “knull” translates to a vulgar term, the character sparked an unintended wave of curiosity and amusement. Despite this, Knull’s stature as a villain remains undiminished, further boosted by his inclusion in various media adaptations and critical lists of Marvel’s most powerful characters.
Numerous accolades celebrate Knull’s enduring influence. Screen Rant and CBR frequently include him in lists of Marvel’s strongest cosmic beings, while Bustle and Collider have praised his compelling role in redefining the symbiote lore. From ranking among Marvel’s most potent symbiotes to being acknowledged as a standout new villain of the century, Knull has firmly established his place in the pantheon of Marvel’s greatest threats.
Knull’s story has also expanded into multimedia. He has appeared in video games like Marvel Contest of Champions and Marvel Future Fight, showcasing his dark powers in interactive formats. Television and film adaptations have loosely drawn upon his lore, such as elements in Thor: Love and Thunder, ensuring his influence extends beyond comics into broader entertainment.
Ultimately, Knull’s reception speaks to his layered characterization and the universal allure of a well-crafted villain. Whether as the embodiment of darkness, a reflection of cosmic terror, or a focal point in Marvel’s symbiotic mythology, Knull captivates audiences with his chilling blend of power, malevolence, and tragic downfall.

Trivia
Knull, the dark god of the symbiotes and one of Marvel’s most fearsome cosmic villains, is as rich in lore as he is in power. As the architect of the symbiotic race and wielder of the Necrosword, his mythos spans eons and impacts countless storylines across the Marvel Universe. This section dives into fascinating trivia about Knull’s attributes, paraphernalia, and noteworthy moments, shedding light on his profound influence within the Marvel cosmos.
- Knull is the creator of the symbiotes, forming them from a primordial darkness he calls the Living Abyss.
- He forged All-Black, the Necrosword, from his shadow and the head of a slain Celestial, marking one of Marvel’s earliest known weapons.
- Knull’s signature emblem—a red dragon in a spiral—is the foundation of the symbiote race’s emblematic design.
- The Necrosword, created by Knull, later became integral to characters like Gorr the God Butcher and King Loki.
- His armor, forged from symbiote matter, enhances his durability and is decorated with his symbolic spiral emblem.
- His vulnerability to “the Light” ties into Marvel’s broader cosmic battle between darkness and creation.
- His ability to manipulate and generate the Living Abyss allows him to create symbiotic creatures, including dragon-like monstrosities.
- His first appearance in Venom Vol. 4 #3 introduced him as a primordial god, retroactively tying him to earlier symbiote lore.
- Despite his immense strength, Knull’s hubris often leads him to underestimate opponents, as seen in his battles with Venom and Thor.
- His connection to the symbiote hive-mind gives him vast control but also leaves him susceptible to disruptions from strong wills.
- The headless Celestial Knull used as a forge became a key location for creating his Necrosword.
- His severance from the symbiote race resulted from their rebellion, leading to the formation of the planet Klyntar as his prison.
- He despises the Klyntar symbiotes for betraying him, considering them cowardly for their attempts to embrace benevolence.
- The phrase “King in Black” underscores his role as the dark ruler of his symbiotic creations.
- His shapeshifting ability inspired the iconic long tongue and sharp teeth seen in modern symbiotes like Venom.
- The Living Abyss not only forms his weapons and minions but also serves as a symbol of his primordial dominion.
- His disdain for creation is rooted in his desire for the universe to return to its void-like origin.
- His battles with Silver Surfer: Black highlighted his cosmic scale of power and his intent to extinguish all light.
- The Necrosword’s influence extended to characters like Ego the Living Planet, showcasing his reach.
- he has been referenced in adaptations like Spider-Man Unlimited and Marvel Contest of Champions.
- His connection to Gorr the God Butcher indirectly ties him to the events of Thor: Love and Thunder.
- He was inspired by gothic and cosmic horror, influencing his design and story elements.
- Despite being a villain, he has a tragic undertone, stemming from his existence before the dawn of creation.
- His loss of power in the King in Black storyline illustrates his dependence on his symbiotic army.
- The spiral motif seen in Knull’s design was influenced by HBO’s True Detective, according to creators.
- His rejection of his role as a celestial caretaker showcases his disdain for imposed order and duty.
- His personality blends arrogance and malice, often shown in his predatory grins during combat.
- In King in Black, Knull’s sheer power required nearly every Marvel hero to unite against him.
- His appearance and design make him one of the most visually striking villains in the Marvel Universe.
- His presence has reshaped symbiote lore, tying their origins to cosmic horror and primordial darkness.
