Characters that are likely to debut in One-Punch Man Season 3

Summary

• Blast, a powerful hero S-rank No. 1, finally debuts with mysterious motives.

• Captain Mizuki, a hero B-RA, adds diversity and strength to the team.

• An overgrown rover, a powerful monster with a sad story of origin, joins the Saitama team.

One-Punch Man Fans rejoice with the news Season 3 comes in October 2025 and many of them eager to know which new characters will make their debut during Monster Association Arc. This arch is likely to be divided into two parts because it covers many events that take place inside the mysterious nest controlled by Gyoro Gyoro and Monster King Orochi.

However, hype is real and for fans who cannot wait and have not yet read mangoes, here are some possible candidates for new debuts during the 3 Anime season. Readers are recommended that this list accept a pinch of salt because there could be some changes in the order of events (like any adaptation from Mango to Anime).

This list contains spoilers for One Punch Man Season 3. Readers are recommended by discretion.

Explosion

Eventually appeared after dozens of teasers

• Association: Hero Association (S-RA)
• Force: Energy handling, teleportation, super human strength, gravity control
• First look: Chapter 139 (manga)

One of the most anticipated events One-Punch Man Fans are the arch of the Monster Association Association, mainly because it will represent the appearance of the hero Blast the N ° with the association and allegedly the most powerful in the world. Blast made several “performances” as a trailer (silhouettes, mentioned, etc.), but was not directly included in the cast of 1 and 2 anime.

This time, the forces of the monster Association's nest are associated with the heroes sinking into the nest, and they say that his business is to follow the intervention of the mysterious intermediate being, which he names as “God”. With this powerful entity he had long beef and suspected that it somehow had to do with the proliferation of the monster on the ground. Its appearance will prepare the ground for the yet exposed event that fans have been expecting for years: explanation of incredible Saitama abilities.

Captain Mizuki

One of the few female characters that appear in the arc of Monster Association

• Association: Heroes Association (Rank B)
• Force: The peak of human state, speed, strength, durability, uses a transformation weapon
• First look: Chapter 95 (manga)

When the Hero Association hired a team to attack a nest monster, located in the Z-City (directly below the Saitama building block), Captain Mizuki, a former athlete with a track and a field star was promoted to A-rank. As such, she saw this opportunity to join the working group as a way to move up in a number of heroes associations.

She knew she was going to embark on a dangerous mission and face some of the strongest beings related to the Monster Association. As a former athlete, Mizuki was obliged to be a team player and refused to let others suffer for her shortcomings. She is stubborn, but old and these qualities have made her quite popular among the One Punch Man Mango fans. As she debuts in anime, her popularity certainly increases.

Overgrown rover

A powerful monster with a sad story of origin

• Association: Monster Association
• Force: Strenght, energy explosions, dragon -like breath, speed
• First look: Chapter 90 (manga)

Another character's favorite fans that are likely to debut during the season 3 One-Punch Man He is an overgrown rover, a monster at the dragon level that resembles a monstrous dog with many eyes. This monster seems to have been created from an abandoned dog that remained behind during the evacuation of the Z-City, turned into a monster that guarded his former home (monster Lair) with unbeatable eyesight.

During the arch of the Monster Association, Saitama meets this animal and offers him a bone, then instead of turning it into an unrecognizable pile of Monster Goo, she managed to tame it somewhat. Recently, Rover will reappear by Genos and Saitama and the creation is considerably reduced in size (not in power), so that he becomes a permanent member of the Saitama team along with black semen.

The Emperor of the homeless

One of the most dangerous members of the Monster Association

• Association: Monster Association
• Force: Control over the projection of mass and energy, speed, strength, the highlight of the human state
• First look: Chapter 90 (manga)

The strongest member of the Association of Monster was one of the beings affected by the “God” who got tremendous power and developed some kind of Messiah complex: they think the human race is a plague and that it must destroy humanity and save the planet in the trial. It can create energy at will and control it and create perceiving missiles that can watch its enemies until they open them. Its strength, speed and resistance are also at superhuman level.

The Emperor for the homeless has enormous power and is classified as a dragon level. Interestingly, it can be even stronger than Orochi and Gyoro Gyoro (Psykos), but because their goals are aligned, this powerful being decided to lend their hands in their efforts to defeat humanity because of beings that the planet inherits. He used to be an office worker who was released and bullied by his colleagues, and then kicked his landlord until he became a poor homeless. Then he met this strange that he was known as “God” and was forever changed and for all those who go through his way, he turned into a threat.

Platinum sperm (actual form)

After Garou it is the most dangerous that the heroes will face

• Association: Monster Association
• Force: Hyper speed, strength and combat prowess, self -criticism, regeneration, durability, elasticity
• First look: Chapter 152 (manga)

The monstrous final form of black semen consists of thousands of billions of cells that combine to perfection. This monster, a tribute to the Dragon Ball cell in its perfect form, has incredible strength and speed. Platinum sperm is the highlight of arrogance and power and one of the best fighters of the Association of Monster.

In this form, this monster is able to go to the tip with some of the strongest S-rank heroes, including atomic samurai and genos. The first was really difficult to fight him, because this creature is his natural counter. Atomic samurai abilities can reduce its enemies at a sub-atomic level, but the rate of regeneration of platinum sperm sperm is faster than what it can reduce, so it is almost impossible for it to defeat this treatment at the dragon level.

Psykos

Former opponent Tatsumaki Resurfaces

• Association: Monster Association (Leader)
• Force: Telekinesis, psychic skills, mental control, telephony
• First look: Chapter 123 (manga)

The real brain for the Monster Association is Psykos, Esper, who was experimented and trained alongside Tatsumaki and Fubuki, and later became Tornado of Terror's Nemesis. She is obsessed with the killing of Tatsumaki and proves that he is stronger as Esper and better as a strategist.

Through her incredible manipulation skills of the mind, she used Gyoro-Gyoro as a proxy, a mass puppet that serves as a communication connection with Lord Orochi. Her appearance in anime is also practically guaranteed because it will be one of the main antagonists who will face the heroes in the next arch.

God

The real antagonist and Blast Nemesese is finally revealed

• Association: unknown
• Force: Control of time, space, space, mass and reality itself (extent and limits unknown)
• First look: Chapter 109 (manga)

A mysterious interdental being that is suspected of being the one that provides their monsters and certain heroes of their strength. His long -term hostility with Blast (the strongest hero on Earth) caused the absence of the Association number 1 over the years. He fought freely into the unknown areas of the universe, the hero's explosion, and God circled each other around the other dance.

The appearance of this powerful antagonist is directly associated with Garou's transformation into a monster and also with Saitam's mysterious inner force. But for fans, of course, it would be better to discover these secrets in itself when season 3 One stocking man Finally, it will hit the streaming services.