Zenitsu Agatsuma: The Journey of a Timid Hero

Zenitsu Agatsuma is one of the main characters in the anime and manga series Demon Slayer: Kimetsu no Yaiba. He is a member of the Demon Slayer Corps and a traveling companion of Tanjiro Kamado and Nezuko Kamado. Zenitsu is a young man with yellow hair and scared-looking eyes. He is cowardly and easily frightened, but he is also incredibly strong and skilled in combat when he is asleep. Zenitsu is a valuable member of the Demon Slayer Corps, and he has saved the lives of his friends on numerous occasions.

Zenitsu Agatsuma


Zenitsu Agatsuma is a complex character who often appears cowardly and fearful. However, beneath his timid facade lies a fighter with incredible potential.

Zenitsu is known for his unwavering loyalty to his friends and his unwavering dedication to his mission as a Demon Slayer. Despite his insecurities, he demonstrates bravery when it matters most, channeling his fear into bursts of lightning-fast attacks.

His genuine care for others and occasional moments of determination showcase his growth throughout the series.

Physical Statistics

Height164 cm
Weight58 kg
Hair ColorBlond
Eye ColorYellow
Blood TypeA



Zenitsu Agatsuma’s appearance is striking with his blonde hair and unique yellow eyes.

He often wears the standard Demon Slayer uniform, consisting of a black robe with a white haori, adorned with the corps emblem.

Zenitsu’s outfit includes a pair of white socks and traditional Japanese sandals.

His distinct lightning-shaped scar on his forehead is a testament to his intense training and battles.


Zenitsu Agatsuma’s background is marked by tragedy and personal struggle. He was born in a small village, but his early life was far from peaceful.

At a young age, Zenitsu lost both of his parents, leaving him orphaned and alone. With no one to guide him, he struggled to find his place in the world.

However, Zenitsu’s life took a significant turn when he encountered the Demon Slayer Corps. Seeing the corps as his opportunity for belonging and purpose, he joined their ranks and dedicated himself to becoming a Demon Slayer.

Despite his innate fear and constant anxiety, Zenitsu trained diligently to acquire the necessary skills for battling demons.

During his training, Zenitsu Agatsuma discovered his unique talent for the Thunder Breathing technique.

This style of swordsmanship harnesses the power of lightning, allowing him to unleash electrifying attacks upon his enemies.

Through rigorous practice and unwavering determination, Zenitsu honed his Thunder Breathing skills, transforming into a formidable fighter.

Zenitsu Agatsuma 2

As Zenitsu embarked on his journey as a Demon Slayer, his background and the reasons driving his dedication gradually unfolded.

The hardships he faced as an orphan and his desire to protect others from the same pain motivated him to push through his fears and fight against the demons that threatened humanity.

Zenitsu Agatsuma’s background serves as a source of strength and fuels his unwavering resolve to stand against the forces of darkness.

Throughout the series, Zenitsu’s background becomes an integral part of his character development.

His past experiences shape his interactions with others and influence his actions on his path to becoming a true hero.

Despite his initial vulnerabilities, Zenitsu Agatsuma’s background reveals a hidden strength that drives him to confront his fears and protect those he holds dear.


Zenitsu Agatsuma forms deep bonds and alliances with several characters throughout his journey as a Demon Slayer. These allies provide support, friendship, and crucial assistance in his battles against demons. Here are some notable allies of Zenitsu:

Tanjiro Kamado: Zenitsu shares a strong friendship and mutual respect with Tanjiro, the protagonist of Demon Slayer. Despite their contrasting personalities, Zenitsu admires Tanjiro’s unwavering determination and his empathetic nature.

Together, they face numerous challenges and support each other in their quest to eradicate demons.

Nezuko Kamado: Zenitsu also develops a protective instinct towards Nezuko, Tanjiro’s sister who has been transformed into a demon.

Despite his initial fear of Nezuko’s demon nature, Zenitsu recognizes her inherent goodness and becomes a staunch ally in their shared mission to find a cure for her condition and bring an end to the demonic threat.

Inosuke Hashibira: While their initial encounters are filled with clashes and rivalry, Zenitsu forms an unexpected bond with Inosuke Hashibira, another member of the Demon Slayer Corps.

Both Zenitsu and Inosuke share a similar background of personal struggles and find common ground through their experiences as Demon Slayers.

Over time, their friendship deepens, and they learn to trust and rely on each other.

The Butterfly Estate: Zenitsu Agatsuma also finds allies within the Demon Slayer Corps, particularly among the members of the Butterfly Estate.

Characters such as Shinobu Kocho, Kanao Tsuyuri, and other skilled Demon Slayers offer guidance, training, and support to Zenitsu as he navigates the dangerous world of demon hunting.

Zenitsu Agatsuma 3


As a Demon Slayer, Zenitsu Agatsuma encounters a multitude of formidable enemies—malevolent demons that threaten humanity and must be defeated. Here are some notable enemies that Zenitsu faces throughout his journey:

Demons: Zenitsu battles a wide range of demons, each possessing unique abilities and challenges. These demons are former humans who have been corrupted by Muzan Kibutsuji, the main antagonist of Demon Slayer.

Zenitsu Agatsuma confronts demons of various strengths, sizes, and abilities, requiring him to tap into his Thunder Breathing techniques and lightning-fast reflexes to overcome them.

Upper Moon Six: Within the hierarchy of demons, Zenitsu encounters formidable foes within the ranks of the Twelve Kizuki.

One notable enemy he faces is Kaigaku, a former disciple of the same Thunder Breathing technique that Zenitsu mastered.

Kaigaku’s betrayal and transformation into a demon test Zenitsu both physically and emotionally.

Lower Rank Demons: Zenitsu also engages in battles with lower-ranked demons, often encountered during his missions as a Demon Slayer.

These encounters provide opportunities for Zenitsu Agatsuma to demonstrate his combat skills and courage in facing the lesser but still dangerous adversaries.

Muzan Kibutsuji: Though Zenitsu’s confrontations with Muzan Kibutsuji, the primary antagonist, are limited, he remains a central enemy throughout the series.

Muzan is the source of all demons, the mastermind behind their creation, and the ultimate target of the Demon Slayer Corps.

Zenitsu and his allies strive to eliminate Muzan to ensure the safety of humanity and bring an end to the demonic threat.

Game Plot

Zenitsu Agatsuma’s character is featured in various Demon Slayer video games, allowing players to immerse themselves in the thrilling universe of the series.

While the specifics of each game’s plot may vary, they typically revolve around Zenitsu’s adventures as a Demon Slayer.

Here are some general elements you may encounter in Demon Slayer game plots involving Zenitsu:

Quests and Missions: Players often embark on quests and missions as Zenitsu, taking on various assignments from the Demon Slayer Corps.

These missions can range from exterminating demons in specific locations to rescuing captured civilians or investigating mysterious occurrences related to demons.

Battles and Combats: Game plots often feature intense battles against demons, showcasing Zenitsu Agatsuma’s lightning-fast swordsmanship and Thunder Breathing techniques.

Players engage in dynamic combat sequences, strategically utilizing Zenitsu’s abilities to defeat powerful enemies.

The games may also include boss battles, where Zenitsu faces off against exceptionally strong demons or key antagonists from the series.

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Character Development: As players progress through the game, they witness Zenitsu’s personal growth and development.

Game plots may explore Zenitsu Agatsuma’s struggles, fears, and insecurities, highlighting his journey toward becoming a confident and skilled Demon Slayer.

Through various interactions and challenges, players witness Zenitsu’s evolution as he overcomes obstacles and gains new abilities.

Exploration and World Building: Demon Slayer games often provide opportunities for exploration, allowing players to traverse different locations within the Demon Slayer universe.

This can include iconic settings from the series, such as villages, forests, or demon-infested areas.

Exploration contributes to the overall world-building aspect of the game, offering players a chance to uncover hidden secrets, collect items, and interact with non-playable characters (NPCs) for additional quests or information.

Storyline and Narrative: Demon Slayer games featuring Zenitsu generally incorporate elements of the series’ storyline and narrative.

They may adapt key events from the manga or anime, allowing players to experience significant moments alongside Zenitsu Agatsuma.

Game plots often include cutscenes, dialogue sequences, and interactions with other characters to enhance the immersive storytelling experience.

Each Demon Slayer game involving Zenitsu offers a unique plot and gameplay experience, combining action, adventure, and character development within the captivating world of the series.

Players have the opportunity to step into Zenitsu’s shoes, fighting against demons, unraveling mysteries, and experiencing the thrill of being a Demon Slayer firsthand.

Top 10 Quotes

  • “If you wanna get stronger, stop only thinking about yourself.”
  • “I’m just a weakling who was lucky to be saved. Nothing more.”
  • “I can’t see anything when I take my eyes off the goal.”
  • “The moment you think of giving up, think of the reason why you held on for so long.”
  • “It’s okay to be weak! As long as you’re alive, you have a chance to get stronger.”
  • “I’ll make sure you die a quick death.”
  • “Fear is not evil. It tells you what your weakness is. Once you know your weakness, you can become stronger and kinder.”
  • “I may not be strong, but I have a strong will to survive.”
  • “No matter how scary things get, you have to move forward. It’s the only way to survive.”
  • “I won’t let you die alone. I’ll die with you.”
Zenitsu Agatsuma 7th Form
Zenitsu Agatsuma 7th Form

Top 15 Trivia Facts

  1. Zenitsu’s name means “goodness” in Japanese.
  2. His fear of thunderstorms contrasts with his Thunder Breathing technique.
  3. Zenitsu is known for his distinctive sleeping habits, often dozing off mid-conversation or during battles.
  4. Despite his timid nature, Zenitsu possesses a remarkable sense of hearing, enabling him to detect even the faintest sounds.
  5. He holds the Thunder Breathing Technique: First Form – Thunderclap and Flash.
  6. Zenitsu’s voice actor in the anime adaptation is Hiro Shimono.
  7. His lightning-based attacks emit a distinct yellow glow.
  8. Zenitsu’s Thunder Breathing technique is based on the real-life Japanese martial art called Iaido.
  9. Zenitsu’s hair was originally black, but it turned yellow when he was struck by lightning during his training.
  10. Zenitsu’s intense training regimen contributed to his remarkable agility and reflexes.
  11. Zenitsu’s biggest fear is being killed by a demon.
  12. Zenitsu’s sword is called “Nichirin Blade” and changes color to black after slaying a demon.
  13. He is known to have an incredible talent for picking locks.
  14. Zenitsu is one of the few characters in Demon Slayer who possesses a Nichirin Blade with a yellow hue.
  15. His lightning-fast attacks earned him the nickname “Zenitsu Thunderclap.”

Also Read: Ryu


Q: Is Zenitsu powerful than Tanjiro?

A: Tanjiro is stronger than Zenitsu. Muzan made Tanjiro a demon thinking he will carry his legacy which is sort of proof that Tanjiro is stronger.

Q: Is Zenitsu the weakest Demon Slayer?

A: Zenitsu Agatsuma suffers from self doubt and cowardice but he is pretty strong. The fact that he fought Muzan and was able to hold his fort is sufficient to say he is very strong. He can match the level of a Hashira.


Zenitsu Agatsuma’s character in Demon Slayer showcases a remarkable transformation from a timid young man to a fearsome Demon Slayer. His distinct personality, lightning-based abilities, and unwavering loyalty make him an essential part of the story. Whether it’s his bursts of bravery or his relatable moments of fear, Zenitsu Agatsuma captivates viewers and readers alike. As we continue to follow his journey, we can’t help but admire his growth and cheer for his success.

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