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These ten despicable characters match Demon Slayer’s Kibutsuji Muzan in their capacity for evil. A closer look at anime’s most hated.
When it comes to villains that make our skin crawl, Kibutsuji Muzan from Demon Slayer is in a league of his own. As the first demon in existence and the main antagonist of Demon Slayer, Muzan’s cruel nature and complete disregard for human life have earned him a special place.
But Muzan isn’t alone in the pantheon of detestable anime characters. The anime verse is filled with antagonists whose actions are so heinous that they make even Kibutsuji Muzan’s cruelty seem tame in comparison. These characters have earned the unanimous hatred of fans through their unforgivable actions and twisted personalities.
10. Nina Einstein
Just like how Kibutsuji Muzan from Demon Slayer manipulates demons, Nina Einstein from Code Geass manipulates science for her twisted agenda. A brilliant mind corrupted by prejudice, Nina’s xenophobic hatred of the Japanese people drives her to create weapons of mass destruction. Her development of FLEIJA, a nuclear weapon that killed millions, showcases her descent into madness.
The parallels with Demon Slayer’s antagonist become clear in how both characters show zero remorse for mass casualties. Nina’s obsessive behavior and willingness to sacrifice innocent lives for her warped ideals make her a character that fans love to hate. Her character is a dark reminder that intelligence without empathy can lead to catastrophic consequences.
9. Danzo Shimura
While Demon Slayer’s Muzan operates from the Infinity Castle, Danzo Shimura from Naruto prefers to pull strings from the shadows. This manipulative elder of the Hidden Leaf Village represents everything wrong with corrupt leadership. His actions, including the genocide of the Uchiha clan and stealing Shisui’s eye, stem from a twisted interpretation of protecting the village.
Like Muzan, who sacrifices demons for his goals, Danzo sacrifices his own people, believing the ends justify the means. He even experiments on children and manipulates events to gain power. The most infuriating aspect of his character is how he masks his selfish ambitions behind a facade of patriotism. Thus, making him one of anime’s most detestable political figures.
8. Minoru Mineta
In a distinct but equally unsettling way from Kibutsuji Muzan from Demon Slayer, Mineta from My Hero Academia makes fans disgusted through his constant sexual harassment of female characters. Although not a villain in the standard sense, his preying behavior and unacceptable actions make him one of the most universally disliked characters in the series.
He is despicable for how his actions are often played for laughs, despite the serious nature of sexual harassment. Unlike Demon Slayer’s antagonists who are clearly portrayed as villains, Mineta is supposedly a hero-in-training. It makes his behavior even more unacceptable. His presence in Class 1-A proves how even “good guys” can be problematic characters.
7. Celestial Dragons
Much like how Kibutsuji Muzan from Demon Slayer views humans as inferior beings, the Celestial Dragons from One Piece take human degradation to another level. These self-proclaimed ‘gods’ represent the worst of aristocratic privilege and cruelty. Their actions in the One Piece universe include keeping slaves, murdering commoners for sports, and inflicting torture simply for their amusement.
What makes them revolting is their complete immunity from consequences, protected by their status as world nobles. Similar to how Muzan creates demons to serve his purpose, the Celestial Dragons treat humans as disposable toys for their entertainment. Their behavior is so universally despised that even other villains in the series find them contemptible. Their mere presence in any scene makes viewers’ blood boil.
6. Dino Golzine
Speaking of demons, Banana Fish’s Dino Golzine proves that human monsters can be worse than supernatural ones like Kibutsuji Muzan from Demon Slayer. As a mafia boss who exploits and abuses young boys, Golzine represents the darkest aspects of human depravity. His systematic abuse of the protagonist Ash Lynx and countless other children makes him one of anime’s most detestable characters.
While Muzan transforms humans into demons physically, Golzine destroys children’s lives emotionally and psychologically. His position of power and influence makes his crimes even more heinous, as he uses his wealth to continue his deplorable activities without consequences. The realistic nature of his evil makes him particularly disturbing to viewers.
5. Gabi Braun
Different from Kibutsuji Muzan who knows exactly what he is, Gabi Braun from Attack on Titan is the terrifying power of indoctrination. A child soldier brainwashed by Marleyan propaganda, Gabi’s actions – particularly her killing of Sasha – have earned her intense hatred from fans. Her belief in her people’s superiority and her willingness to kill “island devils” mirrors the blind hatred seen in real-world conflicts.
Her infuriating character is due to her initial refusal to acknowledge other perspectives, even when faced with direct evidence contradicting her beliefs. While her character eventually develops, her early actions and stubborn adherence to toxic ideologies make her one of the most controversial characters.
4. Rachel
In terms of betrayal, Rachel from Tower of God rivals Kibutsuji Muzna from Demon Slayer’s manipulation of his demon followers. Rachel is loathsome because of how she exploits the pure-hearted devotion of Bam, the series’ protagonist. After being treated as family and receiving unconditional love, she attempts to murder Ban to pursue her own selfish ambitions of climbing the tower.
Like Muzan, who discards his subordinates without hesitation, Rachel shows no remorse for her actions. Her continuous self-victimization despite being the perpetrator of cruel acts makes her even more detestable. The way she manipulates others’ emotions while maintaining a facade of innocence has earned her the title of “most hated character among Tower of God fans.
3. Griffith
While Muzan was always evil, Griffith from Berserk represents a tragic fall into absolute depravity. As the leader of the Band of the Hawk, Griffith commits one of the most infamous betrayals in anime history during the Eclipse. The sacrifice of his entire band of loyal followers, including subjecting Casca to unspeakable horrors while forcing Guts to watch.
Like Muzan’s pursuit of absolute power, Griffith’s ambition leads him to discard his humanity entirely. He betrayed not just his allies, but people who genuinely loved and trusted him. His actions are so heinous that they’ve become a benchmark for villainy in the anime.
2. Mahito
Similar to Kibutsuji Muzan from Demon Slayer, Mahito from Jujutsu Kasien is a pure malevolence with twisted philosophy. As a cursed spirit born from humanity’s hatred, Mahito takes sadistic pleasure in transforming humans into grotesque monsters and causing emotional trauma. His experiments on humans and his psychological torture of Yuji Itadori by killing Junpei show his complete disregard for human life.
He is abhorrent because of his childlike curiosity about human suffering, treating people’s lives as his personal playground for understanding pain. His gleeful approach to causing suffering and his fundamental belief that human life is worthless make him one of the most despised characters in Jujutsu Kaisen.
1. Shou Tucker
If Kibutsuji Muzan from Demon Slayer represents supernatural evil, Shou Tucker from Fullmetal Alchemist is the worst of human nature. His transformation of his daughter Nina and her dog Alexander into a chimera stands as one of the most unforgivable acts in anime history. Tucker is despicable because of his cold, calculated decision to sacrifice his own child for his research, showing no remorse or hesitation.
His justification that it was “necessary for progress” only adds to his deplorable nature. The fact that he had previously done the same to his wife makes his actions even more heinous. His character serves as a chilling reminder that sometimes the most horrifying monsters aren’t supernatural beings but ordinary humans who choose to commit atrocious acts.
Conclusion
The above-mentioned entries show us that while Kibutsuji Muzan from Demon Slayer is undoubtedly a terrifying antagonist, the anime world is filled with even more despicable characters than him. Their various forms of evil make them indelible in the worst possible way. These characters are a dark reminder of how compelling villains can be in storytelling, even as we despise their actions.
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