Demon Slayer: Kimetsu no Yaiba has captivated anime fans worldwide with its emotional storytelling, breathtaking animation, and intense battles. But what truly sets it apart is its compelling lineup of villains—particularly the demons, many of whom are more than just monsters. Some are tragic, some terrifying, and some… just downright hated.
This list dives into the 10 most hated demons in Demon Slayer, ranked based on their cruelty, manipulation, and the emotional scars they left on fans and characters alike. Whether it’s because of their heinous acts or the pain they inflicted on beloved heroes, these demons have earned a notorious spot in anime history.
Table of Contents
🧨 Table: 10 Most Hated Demons in Demon Slayer
Rank | Demon Name | Reason for Hate | Affiliation |
---|---|---|---|
1 | Muzan Kibutsuji | Ruthless manipulator, main antagonist | Demon King |
2 | Doma | Emotionless killer, fan-favorite deaths | Upper Rank 2 |
3 | Gyokko | Arrogant, grotesque, and sadistic | Upper Rank 5 |
4 | Akaza | Killed Rengoku, arrogant but tragic | Upper Rank 3 |
5 | Gyutaro & Daki | Toxic sibling duo, manipulative and deadly | Upper Rank 6 |
6 | Rui | Twisted view of family, cruel to his own creations | Lower Rank 5 |
7 | Kaigaku | Betrayed his comrades, weak moral character | Replaced Upper 6 |
8 | Hantengu (Clones) | Cowardly and annoying, yet dangerous | Upper Rank 4 |
9 | Nakime | Manipulative and silent, controlled Infinity Castle | Biwa Demon |
10 | Enmu | Mind-manipulating sadist, victimized the innocent | Lower Rank 1 |
1. Muzan Kibutsuji – The Demon King Everyone Loves to Hate
There’s no debate here—Muzan is the most despised character in the series. As the original demon and the cause of all suffering in the world of Demon Slayer, his cold, calculating nature and god complex make him universally loathed. His manipulation of demons and humans alike, and his role in Nezuko’s transformation, make him unforgivable. Even his own subordinates fear him, and rightfully so.
2. Doma – Emotionless Charmer Turned Killer
Doma presents a terrifying contrast: charismatic on the surface, but chillingly emotionless underneath. His gruesome acts, including the deaths of Shinobu Kocho and Kanae, and his belief that devouring women is a “kindness,” make him a standout villain fans love to hate. His calm demeanor during acts of horror only adds to his sinister aura.
3. Gyokko – Grotesque and Unapologetically Evil
One of the most disturbing Upper Moons, Gyokko is hated not just for his appearance, but for his twisted sense of beauty and art. He takes sick pleasure in transforming corpses into “masterpieces,” and his mockery of life itself makes his battles deeply unsettling. Fans were more than happy to see him meet his end.
4. Akaza – A Complex Tragedy Fans Still Can’t Forgive
Despite his tragic backstory, Akaza draws immense hatred for killing the beloved Kyojuro Rengoku during the Mugen Train arc. His obsession with strength and his relentless pursuit of battle make him a fearsome adversary. While some fans sympathize with his past, his brutal actions leave a lasting wound.
5. Gyutaro & Daki – A Toxic Bond of Blood and Bitterness
As Upper Rank 6, the brother-sister duo Gyutaro and Daki are infamous for their chaotic teamwork and deep hatred for humanity. Their backstory is tragic, but their cruelty and manipulation in the Entertainment District arc make them despised by fans. Gyutaro’s bitterness and Daki’s vanity are a lethal mix.
6. Rui – Family Twisted Beyond Recognition
Rui, a Lower Rank demon, left a major emotional mark despite his short arc. His warped concept of family and his abuse of weaker demons to play out his fantasy disgusted viewers. Rui’s creepy, controlling nature made his confrontation with Tanjiro and Nezuko especially intense.
7. Kaigaku – The Traitor Fans Can’t Forgive
Formerly a Demon Slayer himself, Kaigaku betrayed his comrades and joined Muzan to become a demon. His cowardice and thirst for power made him deeply unpopular, especially since he sullied the reputation of his former master, Kuwajima, and clashed with Zenitsu.
8. Hantengu – The Cowardly Clone-Maker
Hantengu annoyed fans more than he terrified them—until his clones came into play. His constant whining and fear contrasted with the overwhelming strength of his emotion-based clones. His unpredictability made him frustrating, while his cowardice made him unlikeable.
9. Nakime – The Silent Puppet Master
Nakime, also known as the Biwa Demon, controls the Infinity Castle, acting as Muzan’s gatekeeper. Her silence, emotionless gaze, and ability to disorient heroes during battle made her feel almost omnipresent. Though not physically violent, her manipulative presence made her easy to hate.
10. Enmu – The Sadist of Dreams
Enmu specializes in tormenting his victims within their dreams. As the primary villain of the Mugen Train arc, his cruelty towards innocent passengers and his sadistic joy in others’ suffering made him unforgettable—and not in a good way. His manipulations pushed Tanjiro and the others to their emotional limits.
Final Thoughts
The beauty of Demon Slayer lies in how even its villains are layered—some are tragic, others purely evil. But hate or pity, these demons left a mark. Their terrifying powers, broken morals, and memorable confrontations make them some of the most unforgettable anime antagonists of all time.
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FAQs
1. Why is Muzan the most hated demon in Demon Slayer?
Muzan is the root cause of nearly every tragedy in the series. From turning Nezuko into a demon to killing entire families and manipulating countless demons, his actions are driven by a god complex and total disregard for life. Fans hate him for his cruelty, cowardice, and lack of remorse.
2. Which demon’s death was the most satisfying for fans?
Doma’s death was arguably the most satisfying. After killing fan favorites like Shinobu and Kanae, his arrogant demeanor finally met poetic justice when Shinobu’s carefully planned strategy led to his end. His death offered emotional closure for fans and characters alike.