J (ジェイ, Jei) is a character from the manga and anime series Bobobo-bo Bo-bobo. He is one of the Six Electric Brain Warriors of Cyber City.

(ジェイ, Jei)
Debut (Manga): Chapter 116
Debut (Anime): Episode 47
Appears in: Anime and Manga
Seiyū (Japanese): Jūrōta Kosugi
Voice actor:

Michael Sorich (English)
Click "expand" for full list


Nickname(s): Messenger of the Black Sun
Aliases: None
Species: Human
Affiliation Maruhage Empire
Cyber City
Six Electric Brain Warriors
Classification: Electric Brain Warrior
Birthdate: April 4[1]
Gender: Male
Blood Type: Blue-type[2]
Eye Color: Unknown
Hair Color:
Fist Skill: Kurotaiyō Shinken


J, also known as the "Messenger of the Black Sun", is a suited, mustached man with a head shaped like an onion (but no one knows if it's an onion or if it's garlic). He controls the power within Cyber City. He is the last and the greatest of the 6 Electric Brain Warriors.


Out of all the many senseless antagonists in Cyber City, J seems to be the most serious and he can be rather cruel in battle. However, he is not full of himself, nor oblivious to another potential. J's major concern in life is the well being of his job.




Cyber City

J meets Bo-bobo and the others when they have defeated four of the other Electric Brain Warriors. He is immediately challenged by Bo-bobo but Softon intervenes telling Bo-bobo to save his strength. Soften gets into his battle stance and J asks what it means. Softon replies that it means love. J realises that the love is channeled into opponents to render them useless. In a mini van for traveling around the world searching for love, Bo-bobo's crew drive towards J to attack him,but were easily taken down after a few attacks. Softon also attacked J but was beaten in one hit. Afterwards, J is immediately challenged by Bo-bobo, Don Patch, and Tokoro Tennosuke. Despite the trio's combined power, J finds the battle easy to the point where he actually toys with them. After much trying the trio finally manage to land a hit on him. Bo-bobo then decides that they won't be able to defeat J without the power of fusion. He is about to fuse with Don Patch, but J intervenes by switching Don Patch with Dengakuman. As a result, instead of the intended BoboPatch, the combination results in a new fusion form. This new fused form is Denbo. With the newly formed Denbo's powerful karaoke-style attack move being too much for J, he is weakened enough to be brought down with a final strike of Hanage Shinken.

After the battle, J is not overly bothered about his defeat; he is more concerned with the well being of Cyber City. J realises that with him defeated, there is no one managing the power of Cyber City and revelas that without proper management, the black sun will become a supernova and destroy the city. In a bout fo courage, Softon volunteers to stay behind and manage the Black Sun in J's place so that Bo-bobo cna go and face the boss of Cyber City - Giga. When Bo-bobo returns, he reveals that he has an idea to prevent both Softon and J from having to manage the Sun by using an even more powerful being in their place. The being he chooses is a pickled plum.

Although J and Softon are enemies at first, J eventually gains respect for Softon after witnessing how he managed to control Cyber City's power supply after J fell in battle. At some point, J confronted Softon and gave him a part of his Black Sun power, subsequently increasing Softon's Babylon Shinken.

The Playoffs and the Reverse Maruhage Empire

J appears again during the new emperor playoffs, hoping to become the next ruler, but loses early on to Menma.

Shinsetsu Bobobo-bo Bo-bobo

In Shinsetsu Bobobo-bo Bo-bobo, he is seen fighting off the invaders of Cyber City, but is immediately stricken down by Porusutoroi. J can be seen again at Tennosuke's Hair Hunter reunion.

Video Games

Bobobo-bo Bo-bobo Gag Fusion of the Nine Ultimate Warriors

Bobobo-bo Bo-bobo Escape!! Hajike Royale

Abilities & Powers

The black sun.JPG

He is a master of "Kurotaiyō Shinken" (黒太陽真拳 Fist of the Black Sun), allowing him to attack with powerful black suns and illusions created from five black suns created in his field. He also has the ability to teleport other things as needed. It is with this power that J maintains the power within Cyber City, but it is because of this that J can not leave the power room.


Image Technique Type Name
US Name
Kurotaiyō Shinken - Electra of Sorrow.png
Secret Technique Electra of Sorrow
The Wave of Sorrow Chapter 116
Episode 47
Electra of Sadness
J does a midair flip and summons two black flames from his hands to engulf the opponent. Used Against:
Don Patch
Kurotaiyō Shinken - Eternal Blue.png
Secret Technique Eternal Blue
Forever Blue
(English Manga)
Chapter 116
Episode 47
An enhanced version of Electra of Sorrow, but J poses with peace signs while crossing his arms. Used Against:
Don Patch
Kurotaiyō Shinken - J Guard.png
J Guard
Double J Guard Chapter 116
Episode 47
After J summons a clone of himself, they block the opponent's attack in a J-shaped pose. Used Against:
Don Patch
Kurotaiyō Shinken - Factoria of Youth.png
Secret Technique Factoria of Youth
A Young Boy's Nightmare Chapter 116
Episode 47
J summons a massive wave of black flames against the ground. Used Against:
Don Patch
Kurotaiyō Shinken - Sin-Colored Catharsis.png
Secret Technique Sin-Colored Catharsis
Cleansing of the Colors Chapter 116
Episode 47
J summons a stream of black flames to cross-cut the opponent. Used Against:
Kurotaiyō Shinken - Night Bewilderment Fortissimo.png
Secret Technique Night Bewilderment Fortissimo
Night Illusion Fortissimo Chapter 117
Episode 48
Wandering Night Fortissimo
J sends out black fireballs from his hands. While similar to his previous attacks, it is unknown effect it has since it was countered by Bo-bobo's Kerstian Dior. Used Against:
Kurotaiyō Shinken - The Sleepless Five Suns.png
Super Secret Technique The Sleepless Five Suns
(眠らざる五太陽, Nemurazaru Go Taiyō)
Chapter 117
Episode 48
J creates five illusions of the Black Sun that creates four illusions of himself. They can be only be canceled out by a light brighter than the Black Sun. Used On:
Kurotaiyō Shinken - Black Flame Teleportation.png
Secret Technique Black Flame Teleportation
(黒炎テレポーテーション, Kuro En Terepōtēshon)
Chapter 117
Episode 48
J teleports an opponent to wherever he chooses. Used Against:
Kurotaiyō Shinken - Vanessa's Humiliation.png
Secret Technique Vanessa's Humiliation
(バネッサの屈辱, Banessa no Kutsujoku)
The Humiliation of Vanessa
(English Manga)
Chapter 117
Episode 48
J scatters many black flames to attack the opponent. Used Against:
Don Patch
Kurotaiyō Shinken - Destiny Syndrome.png
Secret Technique Destiny Syndrome
(運命シンドローム Unmei Shindorōmu)
Chapter 118
Episode 48
J does a midair flip and unleashes a spiral of black flames to attack the opponent. Used Against:


  • Episode Appearances: 47-49, 52, 63, 70, 73
  • Manga Appearances: 116-119, 125, 162-164, Shinsetsu 40, 73


  • It is unknown whether J's name stands for anything.
  • His weird head, mostly normal/serious behavior and godlike powers make him Softon's Maruhage equivalent.
  • During his battle, he infrequently strikes poses while nonsensical captions appear. This also happens in situations where he is referenced.
スポーツ: SASUKE


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