Zenitsu Agatsuma

Japanese Name 我妻 善逸
Romaji Name Zenitsu Agatsuma
Nicknames Agatsuma Zenitsu
Series Kimetsu no Yaiba
Age 16
Weight 58 kg
Height 164.5 cm
Date of Birth September 3
Blood Type Unknown

Zenitsu Agatsuma is a fictional character from the popular manga and anime series “Kimetsu no Yaiba” (also known as “Demon Slayer”). He is a member of the Demon Killing Corps and serves as the traveling companion of the series’ protagonist, Kamado Tanjiro. Zenitsu is known for his unique personality, distinctive appearance, and powerful abilities.

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Zenitsu is portrayed as a complex character with a number of personality traits. He is initially introduced as a cowardly and fearful individual who often displays fear and panic in challenging situations. Despite his initial reluctance, Zenitsu shows moments of bravery and determination, especially when it comes to protecting his friends. He is fiercely loyal and cares deeply for Tanjiro and Nezuko, willing to risk his life to ensure their safety. Zenitsu also has a romantic and chivalrous side, often expressing his admiration for women and displaying a strong sense of justice.


Not much is known about Zenitsu’s background before he joined the Demon Killing Corps. It is known that he came from a poor family and was orphaned at a young age. He decided to become a demon hunter to earn a living and provide for himself. Zenitsu’s journey as a demon hunter begins when he meets Tanjiro, who becomes his mentor and friend. Over time, Zenitsu develops his skills as a swordsman and learns to use his unique abilities.


Zenitsu has a distinctive appearance that sets him apart from other characters in the series. He is a young man with fair skin and downward-slanting, frightened-looking eyes that transition from soft brown to gold. His most notable physical feature is his short, yellow hair of varying lengths, with uneven bangs that fall in front of his face. Before becoming a demon hunter, Zenitsu had black hair, but it turned yellow after being struck by lightning during his training.


A highly skilled swordsman, Zenitsu possesses remarkable abilities that make him a formidable warrior. He specializes in a fighting style known as Thunder Breathing, which allows him to generate and control lightning-like attacks. Despite his fearful nature, Zenitsu’s Thunder Breathing techniques make him a formidable opponent in battle. His lightning-fast swordsmanship and agility allow him to strike with incredible speed and precision.


Zenitsu Agatsuma was created by Koyoharu Gotouge as one of the main characters in the “Kimetsu no Yaiba” series. He first appeared in the early chapters of the manga and gained considerable popularity among fans. Zenitsu’s character development and growth throughout the series have made him a beloved and memorable character in the “Kimetsu no Yaiba” universe.

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Zenitsu Agatsuma – FAQ

Who is Zenitsu Agatsuma?

Zenitsu Agatsuma is a fictional character from the manga and anime series “Kimetsu no Yaiba” (also known as “Demon Slayer”). He is one of the main protagonists and a member of the Demon Slayer Corps.

What is Zenitsu’s personality like?

Zenitsu is often portrayed as a cowardly and easily frightened character. He is known for his exaggerated reactions and tendency to panic in dangerous situations. Despite his fear, Zenitsu possesses incredible swordsmanship and is fiercely loyal to his friends.

What is Zenitsu’s fighting style?

Zenitsu practices a unique style of swordplay called “Thunder Breathing”. This technique allows him to channel his breath into lightning-fast sword strikes, increasing his speed and agility in battle. When Zenitsu unleashes his full potential, he enters a state called “Thunderclap and Flash,” where he moves so fast that his opponents can barely see his movements.

What is Zenitsu’s backstory?

Zenitsu was an orphan who was raised in poverty. He became a demon slayer after being rescued by his master, Jigoro Kuwajima, who was also a Thunder Breathing practitioner. Zenitsu’s life changed when he encountered a demon named Kaigaku, who was also a former student of Jigoro. This encounter led Zenitsu to inherit the Thunder Breathing technique and seek revenge against Kaigaku.

Does Zenitsu have any unique abilities?

In addition to his Thunder Breath technique, Zenitsu possesses an extraordinary sense of hearing. This ability, known as “Thunderclap and Flash,” allows him to detect even the slightest sounds and movements, making him a formidable opponent in battle. Zenitsu’s heightened sense of hearing also plays a crucial role in his demon-killing activities.

What is Zenitsu’s relationship to the other characters?

Zenitsu has a close friendship with the main protagonist, Tanjiro Kamado, and considers him his best friend. He also has a romantic interest in another main character, Nezuko Kamado, Tanjiro’s sister. Zenitsu often displays a protective and caring attitude towards Nezuko, and his feelings for her serve as motivation for him to become stronger.