Kaiju No. 8, or Monster #8 in English, is a Japanese manga series written and illustrated by Naoya Matsumoto. The plot is centered around Kafka Hibino, who becomes a kaiju after consuming a parasitic species. To keep his word to a childhood friend, he must now use his strength to travel while attempting to join an organisation that eradicates kaiju. This article contains the list of all characters that have debuted in the Kaiju no. 8 manga/anime so far.
There world of Kaiju no. 8 consists of kaijus (strange beasts), a vast unit of defense force that battles and slays kaijus and lastly, kaiju disposal company that rids of the corpses left by Defense Force. Here is a list and description of all those characters in the series:
| Character | Decription | Manga Debut | Anime Debut |
| Kafka Hibino/Kaiju no. 8 | Kafka Hibino is the main character and protagonist of the series. After several unsuccessful attempts to sign up in the Defence Force, he gives up on his goal and takes a cleaning job at a kaiju removal company. A tiny, parasitic organism enters his body through his lips and gives him the capacity to transform into a kaiju. | Chapter 1 | Episode 1 |
| Reno Ichikawa | 18-year-old Reno Ichikawa begins working for the same company as Kafka to enroll in the military. He befriends Kafka and aids him in keeping his kaiju form a secret. | Chapter 1 | |
| Kikoru Shinomiya | Kikoru Shinomiya is a young lady who enlists in the Third Division alongside Reno and Kafka. Kikoru is a remarkable athlete in the Defence Force, having the highest documented unleashed combat power during her recruitment. She is a kaiju-slaying prodigy. | Chapter 3 | Episode 2 |
| Kieiji Itami | Keiji Itami served as Deputy Director of the Defense Force before being named Director General upon Isao Shinomiya's death. | Chapter 33 | Episode 11 |
| Akira Kurusu | Formerly Director Isao Shinomiya's combat supporter, Akira Kurusu is the Operations Leader of the Defense Force's First Division. | Chapter 34 | Episode 11 |
| Juzo Nogizaka | Juzo Nogizaka is the Chief of Staff of the Defense Force Eastern Command. | Chapter 33 | Episode 11 |
| Gen Narumi | General Narumi is the First Division of the Defense Force's eighth captain. In addition, he mentors Kikoru Shinomiya. | Chapter 38 | Episode 12 |
| Eiji Hasegawa | The First Division of the Defense Force is commanded by Vice-Captain Eiji Hasegawa. | Chapter 39 | |
| Rin Shinonome | Rin Shinonome leads a platoon in the Defense Force's First Division. | Chapter 41 | |
| Tachibana | Tachibana serves as a Platoon Leader in the Defense Force's First Division. | Chapter 41 | |
| Isao Shinomiya | Isao Shinomiya was the late husband of Hikari Shinomiya, the father of Kikoru Shinomiya, and the Director General of the Defense Force before Kaiju No. 9 absorbed him. He was also the First Division's previous captain. | Chapter 1 (mentioned) Chapter 7 (flashback) Chapter 33 (full appearance) | Episode 1 (mentioned) Episode 4 (flashback) Episode 11 (full appearance) |
| Hikari Shinomiya | Hikari Shinomiya was a previous vice-captain of the First Division and a captain of the Defense Force's Second Division. She is also the biological daughter of Kikoru Shinomiya and the wife of Isao Shinomiya. | Chapter 7 (Mentioned) Chapter 44 (Full Appearance) | Episode 4 (Mentioned) |
| Jura Igarashi | Jura Igarashi is the commander of the Defense Force's Second Division. She is also the elder sister of Hakua Igarashi. | Chapter 54 | |
| Aoi Kaguragi | Aoi Kaguragi is a teenage soldier in the Defense Force's Third Division. He was briefly moved to the Second Division following the destruction of Tachikawa Base and then returned to the Third Division. | Chapter 4 | Episode 3 |
| Haruichi Izumo | A well-to-do young man, Haruichi Izumo is a well-known member of the Third Division of the Defense Force and the scion of Izumo Tech. | Chapter 4 | Episode 1 |
| Mina Ashiro | Mina Ashiro is the captain of the Defense Force's Third Division and a childhood friend to Kafka Hibino | Chapter 1 | Episode 1 |
| Soshiro Hoshina | Soshiro Hoshina is a member of the Hoshina Family, a well-known Muromachi period swordsmen dynasty, and the vice-captain of the Defense Force's Third Division. | Chapter 4 | Episode 1 (cameo) Episode 3 (debut) |
| Ebina | Ebina is a Platoon Leader of the Defense Force's Third Division. | Chapter 27 | Episode 9 |
| Ryo Ikaruga | Ryo Ikaruga is a Platoon Leader of the Defense Force's Third Division. | Chapter 12 | Episode 5 |
| Itakura | Itakura is a Platoon Leader of the Defense Force's Third Division. | Chapter 27 | Episode 9 |
| Tae Nakanoshima | Tae Nakanoshima is a Platoon Leader of the Defense Force's Third Division. | Chapter 12 | Episode 5 |
| Takao | Takao is a Platoon Leader of the Defense Force's Third Division. | Chapter 27 | Episode 9 |
| Iharu Furuhashi | Iharu Furuhashi is a junior Defense Force officer serving in the Third Division. He was moved to the Fourth Division following the complete destruction of Tachikawa Base. | Chapter 4 | Episode 2 |
| Akari Minase | Akari Minase is a Defense Force officer serving in the Third Division. | Chapter 11 | Episode 5 |
| Hakua Igarashi | Hakua Igarashi is an officer in the Third Division of the Defense Force. She is the younger sister of Jura Igarashi as well. | Chapter 11 | Episode 5 |
| Toma Takanashi | Toma Takanashi is a Defense Force officer serving in the Third Division. | Chapter 10 | |
| Konomi Okonogi | Konomi Okonogi holds the position of Operations Leader for the Defense Force's Third Division. | Chapter 5 | Episode 3 |
| Bakko | Bakko is a "failed" Kaiju that morphs into a tiger. It is owned by Captain Mina Ashiro of Defense Force Third Division. | Chapter 1 | Episode 1 |
| Jugo Ogata | Jugo Ogata is the captain of the Defense Force's Fourth Division. | Chapter 54 | |
| Toko | Toko is a soldier in the Defense Force's Fourth Division. | Chapter 59 | |
| Soichiro Hoshina | Soichiro Hoshina is the captain of the Defense Force's Sixth Division. He belongs to the Hoshina Family and is regarded as "The Ultimate Incarnation of the Hoshina Family." | Chapter 71 | |
| Ichitaka Mitsuike | Ichitaka Mitsuike works for Monster Sweeper Inc., a professional kaiju cleanup company. | Chapter 1 | Episode 1 |
| Masahide Tokuda | Masahide Tokuda, commonly referred to as Toku, is an employee of Monster Sweeper Inc., a Professional Kaiju Cleaning Company. | Chapter 1 | Episode 1 |
| Hiroto Mori | Hiroto Mori works for Monster Sweeper Inc., a professional kaiju cleanup company. | Chapter 1 | Episode 1 |
| Kaiju no. 1 | Kaiju No.1, sometimes referred to as The Future Sight Kaiju was the initial Kaiju to be identified and given an identity number. Following its death, it was transformed into Numbers Weapon, which First Division Captain Gen. Narumi is currently using. | Chapter 38 (Weapon form) Chapter 47 (Mentioned) | |
| Kaiju no. 2 | Kaiju No. 2, nicknamed The Daikaiju of Destruction, is the second Identified Kaiju to be assigned an I.D. number. It was murdered by the Defense Force, then transformed into Numbers Weapon 2 by Isao Shinomiya, and finally, Kaiju No. 9 absorbed it. | Chapter 35 | Episode 11 |
| Kaiju no. 4 | The Fourth Kaiju was Identified Kaiju. Following its death, it was transformed into Numbers Weapon 4, which was used by Captain Hikari Shinomiya of the Second Division before being given to Officer Kikoru Shinomiya of the First Division. | Chapter 44 (Weapon form) Chapter 79 (Full Appearance) | |
| Kaiju no. 6 | An identified Kaiju known as Kaiju No. 6, or The King of Kaiju, was defeated ten years ago by the Defense Force. Reno Ichikawa, an officer in the Fourth Division, is now using Numbers Weapon 6, which had been modified after it died. | Chapter 38 (Mentioned) Chapter 59 (Full Appearance) | |
| Kaiju no. 9 | Kaiju No. 9 is the primary antagonist of Kaiju No. 8 . In addition to creating other Kaiju to act as minions in an attempt to battle and destroy the Defense Force, this humanoid-identified kaiju travels around reviving the kaiju that the Defense Force has killed to reclaim the kaiju power that humans have stolen. | Chapter 6 | Episode 4 |
| Kaiju no. 10 | Kaiju No. 10 is an Identified Kaiju who assaulted Tachikawa Base. It was made by Kaiju No. 9 and is regarded as a "prototype". Later, Vice-Captain Soshiro Hoshina of the Third Division militarized it to become Numbers Weapon 10. | Chapter 23 | Episode 8 |
| Kaiju no. 11 | Kaiju no. 11 is one of the Identified kaijus created by Kaiju no. 9. | Chapter 68 | |
| Kaiju no. 12 | One of the numerous identified kaiju that Kaiju No. 9 spawned was Kaiju No. 12. It was produced as Kaiju No. 10's ultimate iteration. | Chapter 76 | |
| Kaiju no. 13 | Kaiju no. 13 is one of the Identified kaijus created by Kaiju no. 9. | Chapter 68 | |
| Kaiju no. 14 | Kaiju no. 14 is one of the Identified kaijus created by Kaiju no. 9 | Chapter 68 | |
| Kaiju no. 15 | Kaiju no. 15 is one of the Identified kaijus created by Kaiju no. 9. It was designed to beat Kikoru Shinomiya, but it was ultimately destroyed by him. | Chapter 68 | |
| Mysterious Larva | Kafka Hibino became Kaiju No. 8 after contracting an infection from the Mysterious Larva, a tiny Kaiju. | Chapter 1 | Episode 1 |
| Kanji Nagamine | Kanji Nagamine was one of the victims of Kaiju No. 9 and its second disguise. | Chapter 21 | |
| Sebasu | Sebasu is the butler of the Shinomiya Family and he serves Kikoru Shinomiya. | Chapter 3 | Episode 2 |
| Cheiko Tokuda | Cheiko is the daughter of Masahide Tokuda | Chapter 70 |
Also Read: Who is the main villain in Kaiju no. 8?
FAQs on Kaiju no. 8 all characters
A. Kaiju no. 8 is Kafka Hibino, the main character and the protagonist of the series.
A. Kafka Hibino is the main character and protagonist of the series. A tiny, parasitic organism enters his body through his lips and gives him the capacity to transform into a kaiju.
A. Kaiju No. 9 is the result of the consumption and fusion of multiple Kaiju and Humans, giving them complete access to their combined powers.
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