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J (ジェイ, Jei) is a character from the manga and anime of Bobobo-bo Bo-bobo.


J (also known as the "Emissary 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 senselss antagonists in Cyber City, J seems to be the most serious and can be cruel in battle. He does acknowledge potential in an opponent, meaning he's not completely arrogant. J's main concern is the well being of his job.


150px-The black sun

Black Sun

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.


Cyber City Career 

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 New Emperor Playoffs 

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.


  • Electra of Sadness (悲しみのエレクトラ)/The Wave of Sorrow: J summons two black flames to ingulf the enemy. Electra is a star in the Pleiades cluster.
  • J Guard (Jガード)/Double J Guard: Two J clones block the enemy's attack in a J-shaped formation.

Super Fists

  • Forever Blue (永遠ブルー)/Eternal Blue: A powered-up version of Electra of Sadness.
  • Factoria of Youth (少年のファクトリア)/A Young Boy's Nightmare: J summons a massive wave of black flames against the ground. Factoria is spanish for factory.
  • Sin-Colored Catharsis (罪色カタルシス)/Cleansing of the Colors: J summons two black flames to cross cut the enemy. A carthasis is a release of emotional tension or an emotional cleansing
  • Wandering Night Fortissimo (夜惑いフォルテシモ)/Night Illusion Fortissimo: J sends out black fireballs from his hands. The word fortissimo is Spanish in origin and can mean music that is played very loudly or it can be an adjective describing somthing that is bright, strong or tough.
  • The Sleepless Five Suns (眠らざる五太陽): J creates five illusions of the Black Sun that creates four illusions of himself that can be canceled out by a light brighter than the Black Sun. The Kanji 眠 can mean sleep or die, so this attack could mean sleepless or undying.
  • Black Flame Teleportation (黒炎テレポーテーション Kuro En Terepōtēshon): J teleports an opponent to wherever J chooses.
  • The Humiliation of Vanessa (バネッサの屈辱)/Badesious's Humiliation: A powered-up version of Forever Blue.
  • Destiny Syndrome (運命シンドローム Unmei Shindorōmu): A powered-up version of The Humiliation of Vanessa.


Wave Of Sorrow
185px-Wave of sorrow

Wave of Sorrow

J Guard
185px-Double J guard

Double J Guard

Eternal Blues
185px-Eternal blues

Eternal Blues

Young Boy's Nightmare
185px-Young boys nightmare

Young Boy's Nightmare

 Cleansing of the Color
185px-Cleansing of the colours

Cleansing of the Color

Black Flame Teleportation
185px-Black flame teleportation

Black Flame Teleportation

Vanessa's Humiliation
185px-Vanessas humiliation

Vanessa's Humilation

Destiny Syndrome
185px-Destiny syndrome

Destiny's Syndrome

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

Other Status 

  • Seiyuu: Jūrōta Kosugi
  • Voice Actor: Michael Sorich


  • 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 either seen or mentioned.

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