The anime medium is so full of surprises. While most anime characters have a clear path and carry the same mood throughout the series, some selected anime characters are bound with dual personalities, surprising fans with their different sides.
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The result of this dual personality could be the result of their dark past, or it could simply be a part of their power system, but their presence on the screen could never be boring. At one time, they could be all alluring, funny, cheerful, and full of life; in the very next moment, they could show their darkest side, craving blood and ready to do whatever it takes to take down their opponents.

10Shinobu Sensui
Shinobu Sensui, popular by the name Black Angel, is an alluring antagonist in Yu Yu Hakusho. As the former Spirit Detective, his prodigious talents and sense of justice made him an ideal recruit for Koenma. However, witnessing the dark side of humanity shattered his worldview, leading to dissociative identity disorder and the emergence of distinct personalities.
Notably, the sadistic Kazuya, the suave manipulator Minoru, and the sensitive Naru add allure to his personality and make him fascinating to watch. Other parts of his personality include George, Makoto, and Hitoshi. With a tall, broad-shouldered frame and somewhat evil face, Sensui exudes an aura of refined villainy.

9Harumi Chono
The characters in Paranoia Agent are filled with intrigue, especially Harumi Chono. She works as a regular employee at the university during the day, but at night, her mysterious alter ego, Maria, comes out to work as an escort. Harumi’s distinct personality is a result of dissociative identity disorder, which is most likely caused by a past experience that made Harumi hide her desire to be attractive or sexualized.
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Given that Harumi has to relax, Maria wouldn’t stay with clients at night due to Harumi’s day work; it’s not necessary that Maria will manifest every night. Although Harumi is well aware of her other side, she shies away from talking openly about it.

8Jin Bubaigawara
My Hero Academiais popular for its well-written antagonists, and Jin Bubaigawara, also known as Twice, is one of them, popular for his duel personality. By day, he is a lively, comedic man, but at night, his alter ego, Twice, emerges, bearing a black and gray villain costume. His Quirk, Double, allows him to create perfect duplicates of anything, living or not, with up to two duplications at a time.
Twice’s powerful abilities make him a vital asset to the League of Villains. Despite his unstable mind and identity crisis, Twice remains fiercely loyal to his friends, proving his worth in battles. His potential to take down the entire nation makes him a dangerous and wanted criminal.

7Cavendish
Cavendish of the White Horse, known as the Pirate Prince, is the captain of the Beautiful Pirates. He suffers from a unique split personality, transforming into a fierce and crazy being known as Hakuba when he sleeps. Despite his extreme self-centeredness, he becomes an ally of Monkey D. Luffy during the Dressrosa Arc, leading him to join the Straw Hat Grand Fleet.
Cavendish, who is quite the opposite of Hakuba, is extremely haughty and vain, driven by a thirst for attention. Cavendish is agile, skilled in combat, and wields his sword proficiently, but compared to Hakuba, Cavendish doesn’t even stand a chance.

6Seijuro Akashi
The former captain of the Generation of Miracles, Akashi Seijuro, has a complicated and troubled past that includes losing his mother and experiencing a harsh upbringing. His upbringing imbued him with an unwavering ambition to surpass everyone else and an unparalleled degree of self-control.
Two different personalities emerged from the extreme pressure, and they both identified as Seijuro Akashi. During his middle school years, he developed an alternate personality, with his second personality quite terrifying, aggressive, and violent towards those who defy his commands.
A key figure in the Akatsuki, Zetsu had a remarkable dual nature, which also made him a really unfathomable character in the series. Although Black Zetsu and White Zetsu worked together and exchanged messages telepathically, they had the ability to take individual actions when divided.
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With his unparalleled Substitute Technique, Zetsu could imitate anyone with perfect accuracy, making him a formidable spy and skilled infiltrator. While White Zetsu is cheerful, extroverted, and easy to talk to, Black Zetsu is sinister, more powerful, and knowledgeable. However, despite their very unique personalities, both entities work well with each other.
4Ken Kaneki
Over the course of the series,Tokyo Ghoul’smain character, Ken Kaneki, experiences a dramatic transformation that is characterized by several personalities and remarkable powers. He was a shy, introverted person at first who loved his friendships and hated being by himself since he was afraid of being alone.
Nonetheless, Yamori’s torturing of him caused a profound alteration in his personality. Abandoning his prior belief of avoiding injury, Kaneki became vicious and bloodthirsty, fully embracing his ghoul nature. Personas expressing his anxieties and desires emerged in his head, pushing him away from his true nature as a human.
3Yuno Gasai
On the outside, Yuno looks like those typical anime girls who are shy around their crushes and carry a sweet and fragile personality. However, her other side gives chills to fans and characters of the series alike. Her love for Yukiteru is so immense and obsessive that she is ready to go to any length to protect him, usually transforming into a psychopathic killer.
Yuno’s problematic personality disorder stems from her dark past and all the abuse she had to go through while living with her parents. Then came Yukiteru in her life, who was sort of a symbol of hope and love in her life. It’s not just others who feel a threat from Yuno’s other side; even Yukiteru has to go through the consequences of her psychopathic personality.
2Alluka Zoldyck
Alluka is the youngest member of the Zoldyck family and one of the cutest characters in the series. She stems from the family of the greatest assassins, but her appearance makes her look completely powerless and a simple, cute girl who really loves her elder brother Killua. But her other mysterious personality, Nanika, makes her so powerful that even the highest member of the Zoldyck family couldn’t stand against her.
Nanika has the ability to grant any wishes, but not free of cost. After three of her requests are completed, Nanika steps in, causing her eyes and mouth to go completely blackened and fulfill their wishes. Those who defy Nanika’s requests face mysterious and devastating consequences, and the stronger the wish, the greater Nanika’s requests and the inability to complete her requests could be life-threatening.
1Zenitsu Agatsuma
Zenitsu is quite the character. In the waking world, he’s a total crybaby, scared of his own shadow and always whining about the dangers of being aDemon Slayer. But when he dozes off, it’s like a switch flips, and he turns into the most incredible Demon Slayer, who is as spooky for the Demons as his Thunder Breathing.
While Zenitsu’s awakened form makes him fun to watch, he could be annoying at the same time. On the other hand, his sleepy and serious side is an indication that some serious action is going to take place. And what’s next? The Demon’s body and head are lying in two different places.