Age Unknown
Gender Male
Species Yokai (Oni)
Birth Date
Debut Chapter 1 (In Nūbē's hand, Manga)
Episode 1 (In Nūbē's hand, Anime)
Episode 1 (In Nūbē's hand, Live-action)
Voice Actor Hisao Egawa
Actor Shinobu Sakagami

Bakki (覇鬼 Bakki) is a demon that sealed in Nūbē's hand. Bakki served as the main antagonist of the Jigoku Sensei Nube first series.



According to his brother, Zekki, and his sister, Minki, Bakki is a dumb demon who think power and strength is everything, he sometimes also act like a child who just like to having fun.





  • Zekki - Bakki's younger brother.
  • Minki - Bakki's younger sister.



Past EventsEdit

Jigoku Sensei NubeEdit

Jigoku Sensei Nube NeoEdit

5 years after the events of original Jigoku Sensei Nube manga, Bakki and Minki was forced to go back to the Hell, due to there's something strange was happened. After the Onis back to the hell, along with Minki was trying to recovers Zekki's body which was destroyed by Nūbē in few years ago.

A few years later, the Onis was fight against Daira Setsuki Tentei, who wants to destroys the human realms. After Zekki was injured by Tentei from protect Minki, Bakki requested Zekki goes to the human realms to tells the current situation to Nūbē and his friends, that they have to prepares to fight against Tentei later in human realms if Bakki and Minki was failed to stop him.

Reibaishi Izuna: AscentionEdit

Bakki appeared brief along with Minki in the special chapter of Reibaishi Izuna: Ascention, under Nūbē's request helping him and Yukime go back to Kyushuu, before both Nūbē and Yukime was getting blame by Izuna and Kyōsuke.


  • In the original manga epilogue (7 years time-skip of original manga), both Bakki and Minki was lives together with Nūbē and his family. In the sequel Jigoku Sensei Nube Neo, however, Bakki and Minki was forced to back to the Hell (5 years time-skip of original manga). This is a retcon due to the series authors have no idea how to continue the stories with Bakki and Nūbē become friend later in original manga.