Levi Ackerman is the captain of the Survey Corps and one of the most skilled soldiers in the world of Attack on Titan. With his dark blue hair and piercing gray eyes, he is known for his cold and stoic demeanor, earning him the nickname "humanity's strongest soldier". But beneath his tough exterior, Levi is fiercely loyal and protective of his comrades, making him a beloved character among fans.1. Levi Ackerman from Attack on Titan
Sesshomaru is a powerful demon and the older half-brother of the main protagonist, Inuyasha. He is known for his long, silky dark blue hair and striking golden eyes. Sesshomaru is often portrayed as a cold and aloof character, but as the series progresses, he shows a softer side and becomes a fan favorite. His transformation from an antagonist to a hero is one of the most compelling arcs in the series.2. Sesshomaru from Inuyasha
Kyo Sohma is a member of the Sohma family, cursed to turn into a cat when hugged by the opposite sex. With his long, untamed dark blue hair and fiery personality, Kyo is often misunderstood and seen as an outcast. But as the story unfolds, we see his vulnerable side and how he struggles with his curse and family issues. Kyo's character development and his dynamic with the main protagonist, Tohru, make him a standout character in the series.3. Kyo Sohma from Fruits Basket
Kaito is one of the most popular characters in the virtual singer franchise, Vocaloid. He is known for his signature long, dark blue hair and his gentle and kind personality. Kaito's vocals are often described as soothing and beautiful, and he is loved by fans for his emotional songs and heartfelt lyrics. He is a beloved character not just in the world of Vocaloid, but also in the wider anime community.4. Kaito from Vocaloid
Yato is a minor god in the world of Noragami, known for his dark blue hair and bright orange eyes. He is a self-proclaimed "delivery god" who will do any odd job for only five yen. Despite his carefree and mischievous nature, Yato has a tragic past and struggles with his identity and purpose as a god. His complex character and his relationship with the main protagonist, Hiyori, make him a fan favorite.5. Yato from Noragami
Rin Okumura is the main protagonist of Blue Exorcist, a series about humans with the power to exorcise demons. With his wild, spiky dark blue hair and bright blue flames, Rin stands out among his peers. He is a strong and determined character, but also struggles with his demon heritage and the expectations placed upon him. Rin's journey to become an exorcist and protect his loved ones is a captivating and emotional one.6. Rin Okumura from Blue Exorcist
Lelouch Lamperouge is the anti-hero protagonist of Code Geass, a series set in a world where superpowers exist. With his dark blue hair and striking violet eyes, Lelouch is known for his intelligence and strategic thinking. He is a complex character, driven by a desire for revenge and a dream to create a better world for his sister. Lelouch's morally ambiguous actions and his complicated relationships with other characters make him a fascinating and memorable character.7. Lelouch Lamperouge from Code Geass
Kousei Arima is the main protagonist of Your Lie in April, a series about a young pianist struggling with trauma and loss. With his long, dark blue hair and melancholic demeanor, Kousei is a brooding and mysterious character. He is a musical prodigy who has lost his ability to hear the sounds of his own playing. Through his friendship with a free-spirited violinist, Kousei learns to heal and find his passion for music again.8. Kousei Arima from Your Lie in April
Nagisa Shiota is a student in Class 3-E, a class of misfits tasked with assassinating their alien teacher in Assassination Classroom. With his short, dark blue hair and androgynous appearance, Nagisa is often mistaken for a girl. Despite his timid and unassuming nature, Nagisa is a skilled assassin and a key member of the class. His growth and determination to protect his classmates make him a beloved character in the series.9. Nagisa Shiota from Assassination Classroom
Izaya Orihara is a notorious information broker in the world of Durarara!!, known for his long, dark blue coat and sharp tongue. He enjoys manipulating people and causing chaos, earning him the nickname "The Information Broker" or "The Manipulator". Despite his villainous tendencies, Izaya's charismatic and cunning personality has made him a fan favorite, and his complex relationships with other characters add depth to his character.10. Izaya Orihara from Durarara!!