Captain Shimazu is a character in Persona 2: Eternal Punishment.
- "He is in charge of the bizarre serial murder case division. An elite crime investigative administrator."
- —Persona 2: Eternal Punishment introduction
Captain Shimazu is Katsuya Suou's superior in the Konan Police Department. He is leading the investigation of the JOKER murder case, but when Katsuya comes in contact with the actual JOKER in Seven Sisters High School, Shimazu instantly dismisses him from the investigation team and comments "like father, like son". Katsuya does not give in, when he reports to Shimazu about the incident in Sanitarium on Mt. Mifune, Shimazu tells him the sanitarium has already been set on fire due to a gas leak. After Katsuya leaves in disbelief, Shimazu gives a list of JOKER Curse callers to the man with the scar and wearing a Chinese cheongsam who accompanies him in Chief Togashi's office.
After Katsuya's cooperation with Kei Nanjo to investigate Takahisa Kandori's Science Lab in Narumi Ward, he learns that Shimazu has been leaking the phone call records and covering the mafia's abduction of JOKER Curse users, meaning the whole police investigation team under Shimazu has been conspiring with the New World Order all along, except for Katsuya himself. When Chief Togashi reveals himself to be leaking information for Katsuya in Aoba Park concert hall, Shimazu appears with a team of SAT to take down Togashi and fatally injures him, but is defeated by Katsuya and Maya Amano. Shimazu tells them that they intentionally let Togashi betray the order to gain public awareness of the organization, which is essential in turning rumors into reality. After Shimazu's defeat, Katsuya handcuffs Shimazu so he does not "die as a public servant". Shimazu remains unrepentant, saying "It was...to create an 'innocent' world...I am...not wrong..." before he dies.
- Shimazu is aided by four SAT.
- Shimazu has a voicemail message that can be listened to after clearing the Extra Dungeon at S rank. He speaks uncharacteristically enthusiastically.
- His English chuckle is reused in Shin Megami Tensei III: Nocturne as Red Rider's spell casting voice.