Minor Characters in Diamond is Unbreakable
This is a list of minor characters featured in the fourth part of JoJo's Bizarre Adventure, Diamond is Unbreakable.
Most characters in this section have very little information to warrant a character page, usually due to lack of relevance or backstory.
(Note: Blue buttons link to separate pages)
Diamond is Unbreakable
Anime Debut: Diamond is Unbreakable Episode 6: Koichi Hirose (Echoes)
Namesake: The Police (English rock band)
As the Hirose family already has Police, Koichi isn't allowed to have another pet and has to take him for walks. He is seen sleeping at the beginning of Tamami Kobayashi's and Yukako Yamagishi's fights and is taken for a walk during Yuya's fight.
Anime Debut: Diamond is Unbreakable Episode 7: Toshikazu Hazamada (Surface) (Mentioned only)
Voice Actor: Yūko Iida (Drama CD)
Anime Debut: Diamond is Unbreakable Episode 8: Yukako Yamagishi Falls in Love, Part 1 (Photo only)
Anime Debut: Diamond is Unbreakable Episode 9: Yukako Yamagishi Falls in Love, Part 2
Voice Actor: Tarō Kiuchi (Japanese), Lucien Dodge (English)
Anime Debut: Diamond is Unbreakable Episode 11: Red Hot Chili Pepper, Part 1
Anime Debut: Diamond is Unbreakable Episode 12: Red Hot Chili Pepper, Part 2 (Mentioned only)
Anime Debut: Diamond is Unbreakable Episode 1: Jotaro Kujo! Meets Josuke Higashikata
The Yamakura (山倉) residence sought by Lady Murakami may also be in the ghost alley since it is not on Morioh's map.
Anime Debut: Diamond is Unbreakable Episode 17: Rohan Kishibe's Adventure (Mentioned only)
Film Debut: Diamond is Unbreakable - Chapter 1 (Mentioned only)
Reimi's parents are only named and aged in the film. Takashi, the father of the family, was 45 years old when he died. Kazuko, the mother, was 39 years old.
Anime Debut: Diamond is Unbreakable Episode 18: Shigechi's Harvest, Part 1 (Mentioned only)
Anime Debut: Diamond is Unbreakable Episode 19: Shigechi's Harvest, Part 2
Voice Actor: Isamu Yusen (Japanese), Richard Epcar (English)
Anime Debut: Diamond is Unbreakable Episode 29: Highway Star, Part 2
Voice Actor: Tarō Kiuchi (Japanese), Stefan Martello (English)
Seemingly nervous, Yoshioka agrees but his phone is stolen by Josuke immediately. Unaware of what just happened, he continues talking to his hand before he notices his phone is gone, and is then anguished over the loss of one billion yen and his job. As Josuke grabbed the phone too hard, it ended up breaking.
Anime Debut: Diamond is Unbreakable Episode 29: Highway Star, Part 2
Voice Actor: Mutsuki Iwanaka (Japanese), Matthew Mercer (English)
Anime Debut: Diamond is Unbreakable Episode 29: Highway Star, Part 2
Anime Debut: Diamond is Unbreakable Episode 29: Highway Star, Part 2
Voice Actor: Minami Shinoda (Japanese; Reiko), Juri Kimura (Japanese; Yoshie), Aoi Koga (Japanese; Akemi), Jennifer Losi (English; Reiko), Allegra Clark (English; Reiko), Deneen Melody (English; Akemi)
With his heightened smell, Yuya could tell that the peach Akemi was going to give him was rotten and that Yoshie was on her period. He also thought that Reiko was mad at him because of the adrenaline he smelled, but the smell was from Josuke. When Josuke asks Yuya to help him find Koichi, Yuya smelled that the three girls were coming from the arcade with chocolates for Yuya won by Akemi. They threaten to attack Josuke, but Yuya tells them they are on good terms now. In the battle against Terunosuke, Yuya is inspired by Josuke's attempt to save Koichi, putting his own life in danger, and realizes he would do the same for his three fangirls.
Anime Debut: Diamond is Unbreakable Episode 30: Cats Love Yoshikage Kira
Anime Debut: Diamond is Unbreakable Episode 33: July 15th (Thursday), Part 3 (1st mentioned) (Photo only) / Diamond is Unbreakable Episode 34: July 15th (Thursday), Part 4 (1st full appearance)
Voice Actor: Tasuku Hatanaka (Japanese), Tony Oliver (English)
Satoru Nakae (中江 悟) was Minako's boyfriend, and only named in the anime. He was 22 years old and a third-year student at T University. Thinking Kira was stealing his girlfriend's bag, Satoru yells at Kira. He confronts Kira again when they bump into each other and mocks him for his "lame" nail clippers. Kira stalks the couple to Satoru's apartment and blows him up instantly with Killer Queen, after Satoru promised to buy Minako a new pair of earrings. Kira then takes Satoru's ears and hung them on Minako's, telling her that her boyfriend left some earrings behind for her.
Anime Debut: Diamond is Unbreakable Episode 34: July 15th (Thursday), Part 4 (Mentioned only)
Anime Debut: Diamond is Unbreakable Episode 38: Crazy Diamond is Unbreakable, Part 2 (Mentioned only)
Anime/CD Drama/Film Characters
Voice Actor: Bucky Koba (Japanese), David Vincent (English)
Voice Actor: Ayaka Suwa
Okuyasu had an unrequited love with her but wasn't able to tell her due to being too afraid. She actually seems to have feelings for Rohan, as she starts smiling and singing when he's close.
Later, he and Hirata are by a fountain when Aqua Necklace attacks Hirata by entering his mouth and rupturing his internal organs. Aqua Necklace then enters Masaya's body and takes control of him, causing him to become a robber of a convenience store. He takes a woman hostage but Josuke punches a hole through the both of them with Crazy Diamond. The two are both immediately healed, but Crazy Diamond also infused Masaya's knife into his stomach. Aqua Necklace exits his body as Anjuro has no use for him anymore.
Later, he and Masaya are by a fountain when Aqua Necklace attacks Hirata by entering his mouth and rupturing his internal organs, killing him.