Genos, the Demon Cyborg from One Punch Man, has incinerated millions of screens with his blazing cannons, unyielding loyalty to Saitama, and relentless quest to become stronger. As S-Class Rank 14 of the Hero Association, Genos is a walking arsenal of upgrades and tragedy.
He (ジェノス) is the deuteragonist of One Punch Man (manga 2009–present, anime 2015–present). Introduced in chapter 6 and episode 2, he’s a 19-year-old cyborg who becomes Saitama’s disciple after witnessing him obliterate a monster in one punch.
Genos Wiki
Full Name
Genos (no surname)
Nickname / Alias
Demon Cyborg, Disciple of Saitama, S-Class Rank 14
At age 15, Genos’ family was slaughtered by a rogue cyborg. Saved and rebuilt by Dr. Kuseno, he becomes a cyborg to hunt the culprit. Witnessing Saitama one-punch Mosquito Girl, Genos begs to be his disciple — moving into his apartment and documenting every “training tip” (mostly grocery sales).
His arc:
Hero Association Entry: Joins S-Class, fights monsters for intel.
Monster Association War: Multiple upgrades, self-destructs vs Psykos-Orochi.
Garou Saga: Fights Cosmic Fear Garou, core exposed, rebuilt stronger.
2025 (Post-God): Rank 13, new Dragon Slayer arms, still chasing the mad cyborg.
He ’ drive: “I will become strong enough to destroy evil… and protect what Master protects.”
Powers and Abilities
He is a walking WMD with constant upgrades:
Incineration Cannons – Plasma blasts from palms; Spiral version pierces Dragon-level threats.
Full Cyborg Body – Super speed, strength, durability; detachable arms for remote attacks.
Self-Destruct – Nuclear-level explosion (used vs Elder Centipede).
Scanners & Sensors – Detects energy, records battles for Kuseno.
10-Second Mode – Ultra-boost vs Garou; nearly kills him but fails.
Example: vs Garou (Cosmic) — 10-Second Mode + Dragon Slayer tears through God-empowered Garou, but still loses.
Personality Traits
He is stoic, analytical, and fanatically devoted:
Disciple Mode – Calls Saitama “Master,” writes 100-page notebooks on his “wisdom.”
Cold Rage – Emotionless in battle, burns with vengeance for family.
Perfectionist – Obsessed with upgrades, frustrated by losses.
Hidden Softness – Cares for civilians, respects Bang, cooks for Saitama.
Genos Quotes
“I am the Demon Cyborg. State your purpose.”
“Master, please teach me your training method!”
“This power… is for justice.”
“I will not allow evil to exist in this world.”
Popular Fan Theories
Mad Cyborg = Metal Knight? → High chance — Bofoi’s secrecy fuels it.
Genos Surpasses Saitama? → No — but 10-Second Mode closes gap.
Core = Human Soul? → Kuseno preserved his brain/heart.
Genos vs. Drive Knight: Next S-Class civil war?
Unknown or Fun Facts about Genos
Core Location: Chest — glowing yellow, his only human part.
Cooking Skill: Michelin-level — makes Saitama’s hotpot.
Voice Actor: Kaito Ishikawa also voiced Tobio Kageyama (Haikyuu!!).
Upgrade Cost: Trillions of yen — all from Kuseno’s pocket.
FAQs
Q1. Is Genos fully robot?
No — core (brain/heart) is human; rest is cybernetic.
Q2. What rank is Genios in 2025?
S-Class Rank 13 (post-Garou, Chapter 199).
Q3. Can Genos beat Dragon-level threats?
Yes — solo’d Fuhrer Ugly, Gouketsu (anime).
Q6. What is Genos’ height and signature move?
Height: 178 cm (5’10”) | Move: Incineration Cannon
