Most Complex Antiheroes in Manga

Introduction
In manga, not all heroes wear capes, and not all of them make the right choices. Complex antiheroes are some of the most fascinating characters in the medium. They operate in moral gray zones, driven by personal codes, revenge, survival, or shattered ideals. These characters aren’t villains, but they often defy what society or readers expect from a traditional protagonist.

Light Yagami – Death Note
Arguably the most iconic antihero in manga, Light begins with a desire to rid the world of evil. However, his god complex and descent into manipulation, murder, and obsession with control reveal the dangers of absolute power and twisted morality.

Guts – Berserk
Guts is a brutal warrior fueled by vengeance. His violence and emotional walls make him fearsome, but his internal trauma, loss, and desire for love and meaning make him deeply human. He walks the fine line between hero and monster.

Lelouch Lamperouge – Code Geass
Though originally an anime, the manga adaptation explores Lelouch’s descent from noble revolutionary to ruthless tactician. His manipulations and sacrifices are fueled by love for his sister and hatred of tyranny — but the cost is devastating.

Thorfinn – Vinland Saga
Starting as a revenge-driven child soldier, Thorfinn commits atrocities in pursuit of vengeance. His transformation into a peace-seeking man wracked with guilt adds depth to his journey and makes him one of the most complex antiheroes in manga.

Makunouchi Ippo – Hajime no Ippo
Though not a traditional antihero, Ippo’s increasing struggles with identity, morality in violence, and the psychological toll of boxing create an unconventional, internal conflict that challenges what it means to be a “hero” in a sports manga.

Revy – Black Lagoon
Revy is violent, foul-mouthed, and emotionally damaged, but she’s also fiercely loyal and principled in her own way. Her backstory of survival and trauma shapes her into a dangerously unpredictable yet compelling antiheroine.

Eren Yeager – Attack on Titan
Once a symbol of resistance, Eren transforms into a radical who believes in destroying the world to save it. His descent into extremism is a powerful commentary on freedom, ideology, and the weight of destiny.

Itachi Uchiha – Naruto
Itachi is painted as a villain early on, but his backstory reveals a self-sacrificing antihero who chose betrayal for peace. His actions are morally complex, tragic, and emotionally powerful.

Hei – Darker than Black
Hei, known as the “Black Reaper,” is a contract killer hiding a tragic past. Balancing dual identities, he kills for survival while protecting the weak, making him a cold but layered antihero.

Kaiji Itou – Kaiji
Kaiji is a gambler and drifter who often falls into self-destructive cycles. He’s neither virtuous nor evil, but his constant struggle against societal cruelty makes him a complex figure of desperation and resilience.

Final Thoughts
If you’re drawn to morally gray characters who defy convention and spark debate, these complex antiheroes offer unforgettable narratives. They force us to look deeper, not just at the character, but at ourselves, and our own understanding of justice, sacrifice, and humanity.