Blue Exorcist is a popular anime series that follows the story of Rin Okumura, a young boy who discovers he is the son of Satan. As a half-demon, Rin's hair is a bright shade of blue, representing his unique and powerful abilities. Throughout the series, Rin must learn to control his powers and become an exorcist to protect the world from his demon father. With intense action and compelling characters, Blue Exorcist is a must-watch for any anime fan.1. Blue Exorcist
In a world where almost everyone has a superpower, known as a "quirk," My Hero Academia tells the story of Izuku Midoriya, a young boy born without a quirk. However, after being chosen by the world's greatest hero, All Might, Izuku inherits his powerful quirk and enrolls in a prestigious school for aspiring heroes. One of the standout characters in the series is Shoto Todoroki, a student with a half-cold, half-hot quirk and striking blue hair. As he struggles with his complicated family history, Shoto's blue hair reflects both his icy demeanor and his fiery determination.2. My Hero Academia
Fairy Tail is a beloved anime series that follows the adventures of a powerful wizard guild. One of the most iconic characters in the series is Juvia Lockser, a water mage with long, blue hair and a tendency to cry over her unrequited love for fellow guild member, Gray Fullbuster. Juvia's blue hair is a reflection of her water-based magic and her emotional nature, making her a fan favorite among Fairy Tail fans.3. Fairy Tail
Naruto is a classic anime series that tells the story of a young ninja named Naruto Uzumaki, who dreams of becoming the leader of his village. Along the way, he makes friends and enemies, and one of his most notable foes is Kisame Hoshigaki, a member of the criminal organization, Akatsuki. Kisame's most recognizable feature is his bright blue hair, which complements his shark-like appearance and his reputation as the "Tailless Tailed Beast."4. Naruto
One Piece is a long-running anime series that follows the adventures of Monkey D. Luffy and his pirate crew as they search for the ultimate treasure, known as the One Piece. One of the most iconic characters in the series is Nami, the navigator of the crew, who is known for her sharp wit and her long, curly blue hair. Nami's hair is a reflection of her resourcefulness and her determination to always find a way to achieve her goals.5. One Piece
Sword Art Online is a popular anime series that takes place in a virtual reality game where players must fight for their lives. One of the main characters is Asuna Yuuki, a skilled swordsman with long, blue hair. Asuna's hair not only adds a touch of beauty to her character but also represents her calm and collected nature, even in the face of danger.6. Sword Art Online
Attack on Titan is a dark and intense anime series that takes place in a world where humanity is constantly under threat from giant humanoid creatures called Titans. Among the main characters is Levi Ackerman, a skilled soldier with short, blue-black hair. Levi's hair may seem like a small detail, but it adds to his tough and no-nonsense persona, making him one of the most popular characters in the series.7. Attack on Titan
Fullmetal Alchemist is a highly acclaimed anime series that follows two brothers, Edward and Alphonse Elric, who use alchemy to try and bring their mother back to life. During their journey, they encounter a variety of characters, including Roy Mustang, a skilled alchemist with short, blue hair. Roy's hair color is a reflection of his icy and calculated personality, making him a formidable opponent in battle.8. Fullmetal Alchemist
Black Butler is a dark and mysterious anime series that follows the story of Ciel Phantomhive, a young lord who makes a contract with a demon butler named Sebastian. One of the recurring characters in the series is Grell Sutcliff, a flamboyant and eccentric Grim Reaper with long, bright red hair that turns blue when he uses his death scythe. Grell's blue hair adds to his eccentricity and makes him stand out among the other characters in the series.9. Black Butler
Death Note is a psychological thriller anime that follows the story of Light Yagami, a high school student who discovers a supernatural notebook that allows him to kill anyone by writing their name in it. One of Light's main adversaries is L, a brilliant detective with dark circles under his eyes and disheveled blue-black hair. L's hair color is a representation of his unconventional methods and his mysterious character, adding to the tension and intrigue of the series.10. Death Note