- Gender
- Male
Koku
黒羽
Koku is one of the main characters in B: The Beginning. He works as a Violin Craftsman under Lily's father and has the ability to transform into a black-winged, heteromorphic being. He is also the true identity of Killer B, a name derived by his unusual way of writing the number "13" at his murder sites.
Spoiler, click to view
Since the attack on Jaula Blana orchestrated by Gilbert Ross that took the lives of several of his classmates including Dr. Heath Flick, Koku has spent the last seven years in search of his love, Yuna, in hopes of reuniting with her.Appearances
Other roles by
Gabriel Martins, Yuuki Kaji, Kyle McCarley
Killua Zoldyck
Hunter x Hunter (2011)
Eren Yeager
Attack on Titan
Kakashi Hatake
Naruto Shippuden the Movie: The Will of Fire
Shigeo Kageyama
Mob Psycho 100
Shouto Todoroki
My Hero Academia
Kusuo Saiki
The Disastrous Life of Saiki K.: Reawakened
Sanji
ONE PIECE
Yuu Nishinoya
HAIKYU!!
Karma Akabane
Assassination Classroom
Kenma Kozume
HAIKYU!!
Meliodas
The Seven Deadly Sins
Doflamingo Donquixote
ONE PIECE
Frequently asked questions
What is Koku's name in other languages?
Koku is also known as 黒羽, Black-Winged King, Killer B.
What is Koku's gender?
Koku is male.