Kouichi Nagano
Biography of Kouichi Nagano is currently unavailable from our data sources.
also starring Kouichi Nagano
One Piece Episode of East Blue
As Helmeppo (voice)
Let's & Go! WGP The Great Pursuit of the Berserk Mini 4WD car!
One Piece: Episode of Luffy - Hand Island Adventure
As Helmeppo (voice)
One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
As Max (voice)
One Piece Film Red
As Helmeppo (voice)
One Piece: Stampede
As Helmeppo (voice)
Asylum Session
As Superintendent (voice)
Bakusō Kyōdai Let's & Go!! WGP Bōsō Mini Yonku Dai Tsuiseki!
As Hikoza Mizusawa
One Piece Film: Z
As Helmeppo (voice)
One Piece: Dream Soccer King!
As Helmeppo (voice)
Baby Felix & Friends
As Master Cylinder
Kyuukyuu Sentai GoGoFive
As Puppetongue (voice)
Capeta
As Shigeyoshi Kumada (voice)
Eyeshield 21
As Ryokan Kurita
Dual! Parallel Trouble Adventure
As Naoya Shiozaki
Chousoku Spinner
As Hyper DJ
Mutant Turtles: Superman Legend
As News Technician (voice)
Hunter x Hunter
As Goz (voice)
Salaryman Kintaro
As Ichiro Maeda (voice)
Mushi-Shi
As Man (voice)
Mazinkaiser
As Professor Sewashi (voice)
One Piece
As Helmeppo (voice)