“Ron Kamonohashi: Deranged Detective” is a mystery manga that depicts the adventures of Ron Kamonohashi, a genius detective with exceptional reasoning skills, hailed as the brightest since the establishment of the BLUE Detective Training School, and Toto Isomaru, a detective from the First Investigation Division. This article provides a list of characters and guest characters appearing in “Ron Kamonohashi: Deranged Detective,” along with their anime voice actor cast. Additionally, the synopsis and character relationship chart of “Ron Kamonohashi: Deranged Detective” are also introduced for further insight.
What is Ron Kamonohashi: Deranged Detective?
In this section, we’ll delve into the synopsis and relationship chart of “Ron Kamonohashi: Deranged Detective,” while presenting a detailed list of the main and guest characters, as well as the anime voice actors. When checking the characters of “Ron Kamonohashi: Deranged Detective,” it may be helpful to refer to the relationship chart. First, let’s look at the background of this work.
H3: Overview of the Original Manga of Ron Kamonohashi: Deranged Detective
“Ron Kamonohashi: Deranged Detective” is a mystery manga created by Amano Akira. It has been serialized in “Shonen Jump+ (Shueisha)” since October 11, 2020, and as of October 2023, 12 volumes have been published. The series was also adapted into a television anime in 2023.
Overview of the Anime of Ron Kamonohashi: Deranged Detective
As of December 2023, the 1st Season of the anime has been airing since October 2, 2023. The anime is directed by Shota Ihata, with series composition by Kou Watanabe, character design by Masakazu Ishikawa, and animation production by Diomedéa.
Main Characters in Ron Kamonohashi: Deranged Detective
This section introduces the main characters of “Ron Kamonohashi: Deranged Detective” in a list format. We will also discuss the relationship chart of “Ron Kamonohashi: Deranged Detective” later, so please refer to this list of main characters for reference.
Character ① Ron Kamonohashi
The first character in our list is the protagonist, Ron Kamonohashi. He is known as a genius since the opening of the detective training school BLUE due to his outstanding deductive skills. He was expected to have a bright future, but a fatal flaw was discovered – he unconsciously drives criminals to suicide after solving cases, leading to the revocation of his detective license from BLUE. He later teams up with Totomaru Isshiki to confront difficult cases.
Character ② Totomaru Isshiki
The second main character is Totomaru Isshiki, a detective from the First Investigation Division of the Metropolitan Police Department. He is pure-hearted and passionate, but somewhat simplistic in his thinking. He is also clumsy and often referred to as a “pure fool” by Ron. Initially troubled by Ron’s harsh words, Totomaru gradually builds a trusting relationship with him and often counters Ron’s jokes.
Character ③ Amemiya
The third character on the list is Amemiya. She is Totomaru’s boss and a detective in the First Investigation Division. Ambitious and aiming to become the Police Commissioner, she is tough enough to work immediately after being taken hostage. In the division, she is in charge of assigning cases and often burdens Totomaru with paperwork and simple cases. The work request box she created for Totomaru is informally known as the “trash can.”
Character ④ Spitz Feuer
The fourth main character is Spitz Feuer, a tracking instructor at the detective training school BLUE. He uses his tracking skills to monitor Ron, who lost his detective license, ensuring he does not conduct unauthorized detective activities. Initially appearing as an antagonist to Ron, he later becomes an ally after Ron agrees to help find his missing family.
Character ⑤ Hisui Shitsui
Fifth on the list is Hisui Shitsui, a skilled detective known for having the highest number of homicide arrests nationwide. Also known as “Keigan no Kawasemi” (Insightful Kingfisher), he is a potential future Police Commissioner and a rival to Amemiya. He recognizes Ron and Totomaru as rivals after a particular case.
Character ⑥ Uzaki Mofu
Uzaki Mofu, a neurosurgeon, is the sixth main character. Working at East Japan General Hospital, she is a genius in brain surgery, performing around 800 surgeries a year. Having lost a patient who refused surgery due to belief in supernatural powers, she works to debunk such myths on TV. She also plays a role as Ron’s primary doctor.
H3: Character ⑦ Chicory
Chicory, a female reporter for Weekly Lime, is the seventh character on the list. Although a newcomer to the industry, she has established a unique network for sourcing undisclosed police information. She is a fan of Totomaru, who solves difficult cases, and interviews him for the “Spotlight” section. Unaware that Ron is the real problem solver, she idolizes Totomaru.
Character ⑧ Eme Emmerich
Eighth on the list is Eme Emmerich, the principal of BLUE. Known for her dignified presence, she assigned Spitz a top-secret file with a password based on Spitz and Totomaru’s personal information, indicating her access to their data. She has a long-standing relationship with Ron’s parents.
Character ⑨ Mysterious Cat
The ninth character is a mysterious cat, a gift from Kiku-san to Ron. It is often seen sleeping on its back in Ron’s room. Frequently stepped on by Totomaru when he visits, the cat usually receives treats as an apology. While it hasn’t been seen awake, it often sneaks into unexpected places.
Character ⑩ Kiku-san
The last character, Kiku-san, is a veteran detective from the General Affairs Division. Fond of Totomaru, he told him about the famous detective Ron when Totomaru was excluded from tough case investigations. Kiku-san’s son apparently attended the same school as Ron, leading Kiku-san to often look out for Ron.
Other Characters in Ron Kamonohashi: Deranged Detective
Next, we introduce other characters in “Ron Kamonohashi: Deranged Detective,” such as Mylo, Winter, Mohican Man, Elliott, Dr. Hirsch, Finn Fennec, Orca, and Elmer Stingray. These characters are also worth considering when reviewing the character relationship chart.
Character ① Mylo
Mylo appears to be the young leader of the M family. He is called “brother” by Winter. He exhibits a ruthless nature, often punishing failures with death and has repeatedly tried to trap Ron in dangerous situations.
Character ② Winter
Winter is the fourth child of the M family, a female who dresses in a rock style with spiky piercings and a somewhat masculine appearance. She is skilled in combat, easily defeating Totomaru in a fight. She is also proficient in disguise and acting, deceiving even Ron with her abilities.
Character ③ Mohican Man
Possibly one of the siblings of the M family, Mohican Man is known for his catchphrase, “choi.” He shows high loyalty towards Mylo.
Character ④ Elliott
Elliott is Ron’s father. His wife, Lo-Me Holmes, belongs to the renowned detective Holmes family. Elliott is characterized by a crescent-shaped mark under his left eye and presumably has blond hair.
Character ⑤ Dr. Hirsch
A forensic instructor at BLUE, Dr. Hirsch is a middle-aged man with a unique appearance, including glasses, a goatee, black and white mohawk hair, and a quirky, sarcastic demeanor, akin to a mad scientist.
Character ⑥ Finn Fennec
An authority on locked-room mysteries, Finn Fennec teaches at BLUE and holds the highest S-rank detective license. He only shows interest in things that catch his attention, displaying exceptional memory, able to identify substances he encountered even a decade ago.
Character ⑦ Orca
A man with a rock-inspired look, Orca often utters “hyo.” He is Finn’s partner and assistant at crime scenes and serves the Fennec family, referring to Finn as “Miss.” He was Ron’s classmate at BLUE and has held a negative view of Ron since then.
Character ⑧ Elmer Stingray
Elmer Stingray is a contemporary of Ron and was acquainted with him during their time at BLUE. He claims to be Ron’s best friend and partner. He joined BLUE as a transfer student but only stayed for three days. Currently, he works as a criminal researcher.
List of Guest Characters in Ron Kamonohashi: Deranged Detective
Ron Kamonohashi: Deranged Detective features a variety of cases, each with its own set of guest characters. In this section, we’ll introduce these guest characters in detail, listed for each specific case.
Guest Character ① The Hand Collector Murder Case
The guest character in The Hand Collector Murder Case is Yamane, a person highly admired by Jade, regarded as the best partner ever. Yamane is devoted to Jade, providing meticulous support to ensure Jade can concentrate on the cases.
Guest Character ② The Live Broadcast Murder Case
The guest character in The Live Broadcast Murder Case is Tora Kedan Yoshi. Self-proclaimed “psychic,” he appeared on the live TV program “True or False: Psychic Powers!!” as a psychic.
Guest Character ③ The Solitary Island Observatory Murder Case
The guest characters in The Solitary Island Observatory Murder Case include Totojima Takumi, Umino Minami, Donzawa Eisaku, Onodera Kayoko, John Grizzly, and Orihime. Their brief profiles are as follows:
Totojima Takumi: The observatory director who invited Toto as a top detective to view the Leonid meteor shower.
Umino Minami: The chef at the observatory. Known to seclude herself in the observatory and scream loudly when stressed.
Donzawa Eisaku: The head of the astronomy club, known for his distinctive helmet-like hairstyle.
Onodera Kayoko: An astrophotographer, featuring a slightly flipped short haircut.
John Grizzly: An instructor in closed-circle studies at BLUE, respected by Ron for his detective skills.
Orihime: An Orion constellation idol, a pure astronomy fan.
Guest Character ④ The Poisoned Café Latte Murder Case
The guest characters in The Poisoned Café Latte Murder Case are Julie, Hayami, and Tamada, a trio of young women who admired the latte art created by Ron. Julie has long hair, Hayami sports a ponytail, and Tamada has a bob haircut.
Guest Character ⑤ Special Edition: The Dawn Sandbox Murder Case
The guest characters in the Special Edition: The Dawn Sandbox Murder Case include Kinoshita Tatsuo, Yamada Tetsu, and Sato Ichiro. Their brief profiles are as follows:
Kinoshita Tatsuo: A college student with distinctive black hair and freckles.
Yamada Tetsu: A college student with bright hair color and a shaved-back style.
Sato Ichiro: A college student known for his large build and shaved head.
Guest Character ⑥ The Night Serpent God Murder Case
The guest characters in The Night Serpent God Murder Case are the Village Chief, Mi, Spitz’s Brother, an Official, and Muroi. Their brief profiles are as follows:
Village Chief: An acquaintance of Spitz.
Mi: The Village Chief’s grandchild, affectionately called “Mi-chan” by Spitz.
Spitz’s Brother: His real name is unknown. A folklorist researching folk beliefs around the world.
Official: A middle-aged man who conducted a preliminary survey for the dam development plan in the Night Serpent Village.
Muroi: An ethnologist specializing in the study of local gods.
Guest Character ⑦ The Shibuya Apocalypse Serial Murder Case
The guest characters in The Shibuya Apocalypse Serial Murder Case are Katsunami Ryoji, Hibiya, a Hacker Man, and Mr. Hayashi. Their brief profiles are as follows:
Katsunami Ryoji: One of the suspects in the cryptocurrency theft case, recognized by a mole on his chest.
Hibiya: One of the suspects in the cryptocurrency theft case, known for his afro hairstyle.
Hacker Man: One of the suspects in the cryptocurrency theft case, recognizable by a mole on his forehead.
Mr. Hayashi: Likely a detective from the first investigation division.
Guest Character ⑧ The Midsummer Beach House Drowning Case
The guest characters for The Midsummer Beach House Drowning Case are Banba Taku and the beach house owner. Their brief profiles are as follows:
Banba Taku: A young man who went surfing with friends at the beach and later went missing.
Beach House Owner: A man with a careless attitude, known for using expired ingredients without concern.
Guest Character ⑨ The Genius Composer Kidnapping Case
The guest characters for The Genius Composer Kidnapping Case include the Talent Kidnapper (also known as Hummingbird), Nyonyon, Ikusu, Sannou, Higuchi, Mitsuhashi, and Ooyama Makitan. Their brief profiles are as follows:
Talent Kidnapper (Hummingbird): A kidnapper who sends fan letter-like threats to talented individuals, kidnaps them to enjoy their talent, and then releases them.
Nyonyon: A genius singer-songwriter.
Ikusu: A detective belonging to the Tokyo Metropolitan Police Department’s special crime investigation unit.
Sannou: A policeman from Yamanashi Prefecture who arrived at Nyonyon’s villa after receiving a kidnapping notice from Hummingbird.
Higuchi: Toto’s friend, involved with live music venues.
Mitsuhashi: Nyonyon’s manager with distinctive black bobbed hair.
Ooyama Makitan: A genius woodcarving artist kidnapped by Hummingbird.
Guest Character ⑩ The Psychology Lab Murder Case
The guest characters for The Psychology Lab Murder Case are Aoe Sontoku, Himeno Kanae, Oigawa Jun, Imai Renjiro, and Futagi Riko. Their brief profiles are as follows:
Aoe Sontoku: Assistant professor in Professor Maruyama’s lab at Tokyo University.
Himeno Kanae: A student in the lab, highly praised by Aoe.
Oigawa Jun: A student in the lab, characterized by his short black hair.
Imai Renjiro: A student in the lab, known for his short, bright hair.
Futagi Riko: A student in the lab, known for her bright long hair tied up in a bun.
Guest Character ⑪ The Highland Auberge Serial Murder Case
The guest characters for The Highland Auberge Serial Murder Case include Taiga Dan, Leni Gardner, Sakai Akisuke, Mia Costa, Tom Sasoka, Karen Lily, Bill Clark, Jim Gore, and a man with a crescent-shaped scar. Their brief profiles are as follows:
Taiga Dan: A lawyer with an office in New York.
Leni Gardner: A French person, with dialogues written in English.
Sakai Akisuke: Chef of the auberge “Reunion.”
Mia Costa: An Italian invited to the auberge by her aunt living in Japan.
Tom Sasoka: A taxi driver of unspecified nationality.
Karen Lily: President of a security company, nationality unspecified.
Bill Clark: A surgeon of unspecified nationality.
Jim Gore: A researcher found brutally murdered in the River Thames 17 years ago.
Man with Crescent-shaped Scar: An unidentified man believed to have played a significant role in the Jim Gore murder case 17 years ago.
Guest Character ⑫ The Fortune Teller Prince Murder Case
The guest characters for The Fortune Teller Prince Murder Case include the Fortune Teller Prince, the Wandering Koala, and Mr. Takei. Their brief profiles are as follows:
Fortune Teller Prince: A male fortune teller known for his accurate fortunes and tips to skyrocket one’s luck.
Wandering Koala: A fan of the Fortune Teller Prince.
Mr. Takei: A fan of the Fortune Teller Prince and the owner of the inn where his signing event took place.
Guest Character ⑬ The Balloon Severed Head Murder Case
The guest characters for The Balloon Severed Head Murder Case are President Omoda and Tomonami Takemi. Their brief profiles are as follows:
President Omoda: President of a venture company.
Tomonami Takemi: An acquaintance of President Omoda.
Guest Character ⑭ The ‘Twin Prison’ Locked Room Murder Case
The guest characters for The ‘Twin Prison’ Locked Room Murder Case are Mitsuwa Juntaro, Mitsuwa Yoko, Mitsuwa Kiyotaka, Kaji Junji, and Sakanoe Kaki. Their brief profiles are as follows:
Mitsuwa Juntaro: Owner of the ‘Moon Prison.’
Mitsuwa Yoko: Juntaro’s wife.
Mitsuwa Kiyotaka: Son of Juntaro and Yoko.
Kaji Junji: Juntaro’s younger brother.
Sakanoe Kaki: A veteran housekeeper with over 30 years of service experience.
Guest Character ⑮ The Invisible Blood Letter Murder Case
The guest characters for The Invisible Blood Letter Murder Case are Nakamae Mayumi, Kogawa Osamu, Sono Akane, Higashi Ban Kan’no, and Norage Sabatora. Their brief profiles are as follows:
Nakamae Mayumi: A middle-aged woman teaching archery at the “Shin-Gen” dojo. Kogawa Osamu: A student at the “Shin-Gen” dojo, recognizable by the two moles on his face. Sono Akane: A student at the “Shin-Gen” dojo, known for her bright-colored short hair. Higashi Ban Kan’no: A student at the “Shin-Gen” dojo, a man with a dark complexion. Norage Sabatora: A young detective working exclusively in the Tokyo district of Jūichimi Town.
Guest Character ⑯ The Coin and Stamp Incident
The guest characters for The Coin and Stamp Incident are Yanobe Ryu and Nagaoka. Their brief profiles are as follows:
Yanobe Ryu: A victim of a murder case, a male office worker. Nagaoka: Head of the Center for Cause of Death Investigation at the Tokyo Coastal Medical University.
Guest Character ⑰ The Bon Dance Murder Case
The guest characters for The Bon Dance Murder Case are Haruno Nana, Hiiragi, Kimura, Tsutsui, and Tateishi. Their brief profiles are as follows:
Haruno Nana: An enka idol, a major star with over 15 years of popularity. Hiiragi: Haruno’s manager. Kimura: A man with bright hair who played the large drum at the festival. Tsutsui: A man with black hair who played the small drum at the festival. Tateishi: A man with black hair who played the flute at the festival.
Guest Character ⑱ The Tragic Voyage Serial Murder Case
The guest character for The Tragic Voyage Serial Murder Case is Captain Gou. His brief profile is as follows:
Captain Gou: An elderly man, captain of the Precious Dolphin ship.
Voice Actor Cast List for Ron Kamonohashi: Deranged Detective Anime
This section introduces the voice actor cast for characters in Ron Kamonohashi: Deranged Detective, including Ron Kamonohashi, Totozumaru Iroha, Amamiya, Spitz Fire, Hisui Omin Shiki, and Usaki Mofu. Check out the profiles, main works, and characters played by these voice actors in a list format.
Ron Kamonohashi / Yohei Azakami
Name: Yohei Azakami Date of Birth: August 7, 1991 Age: 32 Occupation: Voice Actor Agency: Aoni Production Active Since: 2011 Main Works: “Mobile Suit Gundam: Witch from Mercury (Role: Guel Jeturk),” “Brave Burner Burn (Role: Louis Smith),” “The Insect Princess (Role: Arvin Oranza)” Yohei Azakami, affiliated with Aoni Production, voices Ron Kamonohashi in the Ron Kamonohashi: Deranged Detective anime. Formerly known as Yohei Hosono, he began his voice acting career in 2011. His first leading role was as Kojiro Shoma Tokitae in the P.A.WORKS original anime “Kuromukuro” in 2016.
Totozumaru Iroha / Junya Enoki
Name: Junya Enoki Date of Birth: October 19, 1988 Age: 35 Occupation: Voice Actor Agency: Atomic Monkey Active Since: 2010s Main Works: “Shocker-san at Noon (Roles: Shocker-san 2, Spider Man),” “Blue Orchestra (Role: Harada Ao),” “The Ultimate Villainess Wants to Serve the People (Role: Arthur Beresford)” Junya Enoki, affiliated with Atomic Monkey, voices Totozumaru Iroha in Ron Kamonohashi: Deranged Detective.
Starting his voice acting career in the 2010s, he was inspired to pursue voice acting after watching the Gainax-Aniplex-Konami Digital Entertainment robot anime “Tengen Toppa Gurren Lagann” during his university days.
Amamiya / Yoko Hikasa
Name: Yoko Hikasa Date of Birth: July 16, 1985 Occupation: Voice Actor, Singer Agency: Freelance Active Since: 2007 Main Works: “SHAMAN KING FLOWERS (Roles: Hana Asakura, Yoh Asakura),” “Shadow Power (Role: Iris Midgar),” “SHAMAN KING (Role: Yoh Asakura)” Yoko Hikasa, a freelance voice actor and singer, voices Amamiya in Ron Kamonohashi: Deranged Detective.
She started her voice acting career in 2007, with her debut role being Minamo Negishi in “Sketchbook full color’s“. As of December 2023, she is mainly active in anime, games, dubbing, radio, and narration.
Spitz Fire / Taku Yashiro
Name: Taku Yashiro Date of Birth: January 6, 1993 Age: 30 Occupation: Voice Actor Agency: VIMS Active Since: 2013 Main Works: “Aikatsu Stars! (Role: Subaru Yuki),” “Shocker-san at Noon (Roles: Shocker-san 3, Oshima, Bee Woman, Sabotegron, Wolf Man),” “Aoashi (Role: Keiji Togashi)” Taku Yashiro, affiliated with VIMS, voices Spitz Fire in Ron Kamonohashi: Deranged Detective.
He began his voice acting career in 2013, debuting in “Silver Spoon”. His first lead role was as Tiger Mask/Naoto Azuma in “Tiger Mask W” in 2016, and he received the Best New Actor Award at the Voice Actor Awards in 2018.
Hisui Omin Shiki / Jun Fukuyama
Name: Jun Fukuyama Date of Birth: November 26, 1978 Age: 45 Occupation: Voice Actor, Narrator, Singer Agency: BLACK SHIP Active Since: 1997 Main Works: “Boogiepop Phantom (Roles: Masami Saotome / Manticore Phantom),” “Code Geass: Lelouch of the Rebellion (Role: Lelouch Lamperouge),” “Macross F (Role: Luca Angeloni)” Jun Fukuyama, CEO of BLACK SHIP, voices Hisui Omin Shiki in Ron Kamonohashi: Deranged Detective.
Besides being a voice actor, he is also active as a narrator and singer. Fukuyama began his voice acting career in 1997, and his first leading role was as Akira Kamiya in “Invincible King Tri-Zenon” in 2000. He has received several awards, including the Voice Actor Award at the Tokyo International Anime Fair 2009 and the Best Lead Actor Award at the first Voice Actor Awards.
Usaki Mofu / Nao Toyama
Name: Nao Toyama Date of Birth: March 11, 1992 Age: 31 Occupation: Voice Actor, Singer Agency: Intention Active Since: 2010 Main Works: “Macross Δ (Role: Reina Prowler),” “NARUTO -Shippuden- (Roles: Sasuke Uchiha as an infant and toddler),” “Welcome to the Classroom of the Supreme Ability Doctrine (Role: Honami Ichinose)” Nao Toyama, affiliated with Intention, voices Usaki Mofu in Ron Kamonohashi: Deranged Detective.
She started her voice acting career in 2010, debuting as Silma in “Glaryl Knight Corps”. In 2019, she won the Best Supporting Actress Award and the Game Award at the 13th Voice Actor Awards.
Synopsis of Ron Kamonohashi: Deranged Detective
The protagonist, Ron Kamonohashi, hailed as a genius since the opening of the detective training school BLUE, was promisingly foreseen to have a bright future. However, it was discovered that he had a critical flaw, leading to a prohibition on his detective activities. One day, detective Totozumaru Iroha from the Criminal Investigation Department visits Ron, who is working as a condominium manager, and requests his help with deduction. This encounter leads Ron to team up with him and resume his detective work…
Character and Cast Summary in Ron Kamonohashi: Deranged Detective
This article provides a detailed list-style introduction of characters and voice actors from Ron Kamonohashi: Deranged Detective, along with a summary of the plot and a character relationship chart.
Although an official character relationship chart for Ron Kamonohashi: Deranged Detective has not been created yet, it might be interesting to try making one yourself, using this article’s character and cast list as a reference. Additionally, when reading the manga or watching the anime of Ron Kamonohashi: Deranged Detective, not only the character relationship chart but also this article’s character, guest character lists, and voice actor cast summaries can be useful references.
I’m a 17 year old otaku girl living in Japan!
I’m trying to send out various otaku information to people overseas, so if you’d like to follow me on SNS!