There is no shortage of anime villains however, there are only a few truly dark anime characters who are capable of terrifying and creeping out anime fans of all ages. These scary dark anime boys are capable of unimaginable acts and can easily bring viewers' deepest fears alive. Despite this, both the darkest anime girls and boys also often become fan-favorite characters.
Anime fans love to hate and fear their darkness and respect them since more often than not they're also some of the strongest anime characters ever created. Their physical strength is often matched by impeccable intelligence and even fascinating magical abilities that make these truly terrifying yet fascinating characters all the more intriguing.
8 Hisoka - Hunter X Hunter
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Hisoka's fun yet creepy look perfectly matches his personality. He's one of the strongest transmuters in the series and is the most memorable villain in Hunter X Hunter. Hisoka is a sadistic and completely self-absorbed character who loves to theatrically torture his enemies. He's a powerful and dark magician who joyously killed plenty of his opponents during bloody battles.
Hunter X Hunter is an exciting and often dark fantasy anime about a young boy named Gon. The story follows his adventures after Gon realizes that his long-lost father was actually a great Hunter. He goes on an epic but very dangerous adventure to become a Hunter himself while also hoping that he can reunite with his dad one day.
7 Lelouch - Code Geass
Lelouch is probably the most intelligent dark anime boy who's a cold-minded and hearted character. Code Geass' genius started his journey as a good guy but because of his dark worldview and horrible decisions he turned into one of the darkest anime characters ever. Some of Lelouch's most evil acts are unforgivable however, they did help become this already exciting series a classic.
Code Geass is one of the most thrilling dark anime action shows with surprising twists and well-crafted characters. The story follows Lelouch's adventures after he becomes the masked leader of the rebels who try to overthrow the evil leaders of their empire.
6 Dio Brando - JoJo's Bizarre Adventure
Dio Brando is one of the strongest and darkest anime characters ever created. This powerful immortal has committed many horrible acts and is generally hateful towards all of humanity. It is said that he was born evil and his megalomaniac and sadistic tendencies prove this rumor to be true. Dio prefers to spend his time alone and only has contact with others when he wants something, or when he's torturing or killing his victims.
JoJo's Bizarre Adventure is one of the most interesting anime shows with fascinating and diverse characters with all kinds of supernatural powers. The story is about the Joester family who thanks to their special supernatural strength have epic adventures throughout their lives.
5 Tomura Shigaraki - My Hero Academia
Tomura is definitely one of the darkest anime boys ever created whose madness matches his deep desire for murder. His constant need to kill people is so strong that he's constantly itching and that's why he has to scratch himself pretty much at all times. His iconic look has an even more terrifying story since Tomura wears the hands of his deceased family members and two vandals he accidentally murdered as a kid. This insane anime character cares about nothing but torturing and murdering others while also committing other horrible acts.
My Hero Academia is one of the most emotional and motivating anime series about the hard life of heroes. The story follows Deku's adventures after he finally receives a much-wanted quirk and can join UA High, so he can become a true superhero just like his mentor and role model All Might.
4 Alucard - Hellsing Ultimate
Alucard is one of the strongest dark anime characters since he is an invincible and immortal vampire. He is an egotistic character who often showed his sadistic side and felt no remorse even when he killed innocents. He's also someone who was proud to be a monster and found great pleasure in torturing and playing with his enemies and victims.
Hellsing Ultimate is a dark, beautiful, and entertaining fantasy anime about Hellsing and his sired ward Victoria who try to use all their power and resources to stop SS-Major from destroying England with his vampire army.
3 Eren Yeager - Attack On Titan
Eren Yeager was Attack On Titan's most beloved hero before he joined the dark side. Some of Eren's most evil acts turned him into one of the darkest anime guys fans have ever met. Despite his young age, Eren saw more than his fair share of suffering and lost many of his dear friends and loved ones which all pushed him to eventually become the series' greatest villain.
Attack On Titan is one of the most popular and beloved action anime series with stunning art, a fascinating story, and some of the most iconic fights in anime history. The story followed Eren's adventures after the young boy vows to kill all Titans who murdered thousands and keep his world in fear.
2 Griffith - Berserk
Griffith is a surprisingly dark anime character despite being a powerful demigod. He's a charming and physically beautiful character who committed cruel and horrifying things, especially against Guts who he blames for his own actions. Griffith is unable to face his mistakes and take any responsibility for his actions, and he puts the blame on others and tortures them instead.
Berserk is a fascinating dark fantasy anime for mature audiences. The series had great characters with mysterious powers. The emotional and heart-breaking story followed Guts and Griffith's adventures.
1 Muzan Kibutsuji - Demon Slayer
Muzan Kibutsuji is easily one of the darkest anime boys ever created. This ruthless demon has exceptional fighting skills and is also highly intelligent, and thanks to his demon powers he's almost undefeatable. He's a sadistic and remorseless creature who sees no value in others no matter if they're demons or humans.
Demon Slayer quickly became one of the most popular anime series ever created thanks to its highly-emotional story, well-crafted characters with sad backstories, and beautiful art style. The story follows the young Tanjiro who goes on a journey to become a Demon Hunter after most of his family is brutally murdered by a demon and his sister is turned into one.