Groups

The Abandoned Masses are an infamous band of killers set on thinning out the world's population. Regarded as a rival to the Ninja Village, their reputation for danger once had ninja instructors warning their trainees to steer well clear of…

This team gathers the S-Class swordsman Atomic Samurai together with his three A-Class students, Iaian, Okamaitachi, and Bushidrill. All are elite blade specialists, and their pupils are widely seen as S-Class caliber held back only by…

The Blizzard Group is a large B-Class hero faction commanded by Fubuki. Numbering at least thirty-five members, it leans on sheer headcount rather than individual might, wields heavy sway over the B-Class, and is fixated on recruiting…

The C-Class Hero Alliance is a cooperative of low-ranked heroes who pool their efforts to work their way up the Hero Association ladder. They travel together in a marked van and carry a mix of gear, from lassos and revolvers to nothing but…

The Church of Otherworldly Reincarnation is a faith numbering roughly three million followers, all devoted to their founder Infelsinave and supportive of the Neo Heroes. Little else about the sect is confirmed beyond its size and loyalty.

The Coalition of Assassins is a pact of the world's most lethal killers for hire, ready to take any life so long as the payment is high enough. Their pursuit of Flashy Flash ended disastrously, with his would-be killers dumped at the…

The Council of Swordmasters gathers the world's most celebrated master swordsmen, assembling whenever crisis strikes. Devoted to refining the blade and led by Nichirin, the order also quietly seeks the legendary Moon Blade.

Cow's Stomach is a dreaded robbery gang headed by the A-Class bounty villain Bull-Bull. Marked by cattle-print outfits and horned hats, the crew pulls off a bank heist that ends abruptly when Saitama simply carries their getaway car away.

The Cram School is a circle of exceptionally gifted children led by Child Emperor. They trade advanced scientific ideas far beyond most adults and aim to turn lessons from a hyper-realistic simulation game into a real-world utopia.

The Dark Cosmic Fleet is an armada of extraterrestrial conquerors commanded by an ancient alien who had endured for more than ten millennia. Arriving after Boros fell, they aimed their strongest cannon at Saitama, only for the blast to…

The Dark Matter Thieves were a band of alien conquerors under the warlord Boros, arriving aboard a colossal spaceship to devastate A-City. Drawn by a prophecy of a worthy rival, Boros met his end against Saitama, and the leaderless…

Deathbone was a clandestine sect that set itself against the Saints, seeking to free the imprisoned Cruel Dragon by gathering the sealing orbs that bound it. Its members claimed the ancient beast's blood ran in their veins, marking them as…

The Divine Beasts are colossal interdimensional guardians that answer to the entity called God. Dwelling within the Rift in Spacetime, they threaten to pour into Earth whenever Blast abandons the post that holds them back.

Eleven is a cabal of eleven renegade espers that dosed children with psychic drugs to build an army of psychics. Headed by the formidable Otento, the group appears only in the webcomic and carries ties to Tatsumaki's own troubled past.

Evil Eggs is a baseball-themed monster of the Monster Association, a self-assured melee fighter who wielded a spiked bat. He joined the first wave against the heroes' surface team and fell in the raid, cut down by the hero Needle Star.

The Harsh Path Clan is a band of martial artists devoted to the Harsh Path Style, known for their cruelty and swagger. Notorious for wrecking rival dojos, they set their sights on Bang's Dojo and paid dearly for it.

The Heavenly Ninja Party, or Tenninto, is an elite band of twenty-one Ninja Village graduates drawn from many classes. As the chief villains of the Ninjas Arc, they schemed to slay Flashy Flash, install Empty Void as their leader, and…

The Hero Name Victims Association is a coalition of Hero Association heroes fed up with the embarrassing codenames pinned on them. Spanning C-Class to A-Class, they campaign for better names and recruit Saitama, saddled with an awful title…

The House of Evolution was a sinister laboratory founded by Dr. Genus in his quest to perfect humanity through artificial evolution. Staffed entirely by his own clones and armed with beast-spliced monsters, it became the first foe Saitama…

Invisible Hand is a radical band of espers from a town neighboring the school of Psykos and Fubuki. Little is confirmed about the group beyond its extremist bent and its eventual folding into the Society for the Research of Special Powers.

Iron Fist is the largest criminal gang in N-City, a crew of leather-clad thugs who fight with iron gauntlets from a base in the coastal hangars. Led by Big Iron, they are strong enough to overwhelm a lone A-Class hero.

The Love Slaves are the collection of victims bound to Do-S through her hypnotic whip inside the Monster Association Headquarters. Ordinary people, captured heroes, and even Subterranean People all fell under her sway before the group was…

The Machine Gods are a line of combat robots built by The Organization to advance its agenda. Each unit rates at Demon level or higher, and their job is to harvest battle data and erase anyone The Organization wants gone. In the webcomic…

The Metal Series is Bofoi's elite robot unit, six of his top builds assembled as a fast-response force meant to wipe out threats in a hurry, and the squad appears only in the One-Punch Man webcomic. During the Robot Invasion Arc, Bofoi…

The Monster Worship Party is a doomsday movement of defeatists who conclude that humanity should give itself up to the Monster Association. Convinced resistance is pointless, they push people to submit and even offer human sacrifices to…

Narinki's Private Squad is a hired rescue unit that businessman Narinki funds to pull his son Waganma out of the Monster Association. Frustrated by the Hero Association's slow response, he sends his own armored mercenaries into the fight.…

The Neo Hunters, once simply called the Hunters, are a former vigilante band drawn from people who lost loved ones to Mysterious Beings. Now folded into the Neo Heroes, they protect civilians on their own terms, apart from the Hero…

Niya Niya Loans is a small-time extortion gang in Z-City run by Fish of Darkness. Operating out of the same shabby apartment block where Saitama once lived, they squeeze local businesses for money until Saitama shuts them down.

The Pacino Family is a C-Class criminal gang out of Z-City, headed by Don Pacino, a crew of mafiosi in business suits who turn their guns on Genos and are wiped out in an instant. In the OVA The Pupil Who Is an Extremely Poor Talker, Don…

The Paradise Group is a terrorist band led by B-Class criminal Hammerhead, chasing a communist utopia where labor is optional and the jobless are fully supported. Using stolen battle suits, they sow chaos in F-City before Speed-o'-Sound…

The Poison Lizard Sisters are a two-member Monster Association team made up of siblings Raptora and Reptera. The reptilian Mysterious Beings fight with poisoned weapons during the Monster Association raid.

The police are the world's government-sanctioned law enforcement, tasked with keeping order, arresting low-level criminals, and, before the Hero Association existed, handling monster attacks. Chief Kuma sums up their duties as watching…

The Prison Supporters, dubbed the Puri-Puri Prison Partners by their leader, are a squad of inmates gathered from prisons worldwide to back up the heroes. Puri-Puri Prisoner heads the group, which appears only in the webcomic.

A for-profit outfit that rents out armed muscle and protection to anyone able to pay, the Private Military Company, or PMC, operates on the fringes of the hero world. Bankrolled by Narinki and The Organization, it dangles wages far above…

Ripped Uniforms, rendered by Viz as the Uniform Rippers, is a pair of junior high troublemakers who shook down weaker classmates for pocket change back when Saitama was still a student. Their trademark is the torn, shredded look of their…

The Ryumon Gang, or Ryumon-gumi, is a 400-strong criminal syndicate headed by the gangster Ryumon. Kitted out in Battle Suits and swinging melee weapons, its members fight on roughly the same level as rank-and-file Neo Heroes, whose banner…

The Saitama Group, dubbed the New Blizzard Group by Fubuki, is the loose circle of heroes and hangers-on who have gravitated toward Saitama. Never an official body, it nonetheless ranks among the most dangerous collections of fighters in…

The Soda Pop Boys are a seven-member idol group signed to the same talent agency as Sweet Mask. Two of them hold C-Class hero licenses. After breaking from the Hero Association, the band realigns with the Neo Heroes and rebrands as the Neo…

The Specially Strengthened Students are a hand-picked squad of Neo Heroes who bulk up through brutal physical conditioning under the coaching of Superalloy Darkshine. This webcomic-only group appears in the later Neo Heroes storyline.

The Ardent Fans of Superalloy Darkshine are a body of devoted followers whose physical prowess reportedly outstrips that of an ordinary hero, despite none of them holding official hero status. Their muscular builds make them a surprise…

The Super Sumo Squad, or Chorikishi-gumi, gathers sumo wrestlers and close associates of Raiden who rallied to his call for backup in his hero work. A webcomic-only outfit, they suit up in Battle Suits and stand alongside the Neo Heroes…

The Surly Brothers, known in the Viz edition as the Blunt Brothers, are a trio of hero siblings: the A-Class Smile Man, the B-Class Crying Man, and the C-Class Angry Man. Frustrated by a lack of fame, they redirect their efforts toward…

The Tank Topper Army is a squad of tank-top-wearing heroes rallied under the S-Class fighter Tanktop Master. Bound by an almost religious faith that muscle and pride flow from the humble tank top, the group grapples its way through monster…

The Brain and Brawn Brothers were a self-styled duo pairing the brilliant elder sibling Fukegao with his hulking younger brother Marugori. Their bid for world domination ended almost as fast as it began, with Fukegao killed by his own…

The Dragon Alliance, rendered by Viz as the Nine Dragon Warriors, is a band of nine formidable fighters tied to Deathbone. Sharing that organization's aim, they work toward the revival of the Cruel Dragon and stand opposed to the group…

The Extended Family of Darkness is a cluster of Mysterious Beings rated at the Dragon disaster tier. Numbering at least eleven shadow-skinned monsters, they surface in T-City and clash with Genos, who wipes them out at heavy cost to his…

The Mediocre Ability Users are a small band of would-be criminals from One-Punch Man who each stumbled into supernatural powers. True to the name, their gifts are feeble, and their run-ins with Saitama repeatedly expose just how…

The Organization is a shadowy robotic syndicate in One-Punch Man that sows destruction to harvest combat data, using every battle to make its machines stronger. Fielding the fearsome Machine Gods, it clashes with heroes across each saga…

The Saints are a centuries-old secret order in One-Punch Man devoted to keeping the Cruel Dragon sealed away and holding the line against the rival Deathbone. Clad in knightly armor and sworn to guard scattered seals, they finally see…

The Society for the Research of Special Powers was a high school club in One-Punch Man led by a young Fubuki and dedicated to studying the paranormal. What began as an ordinary student group fractured as Psykos turned toward radical ideas,…