
Quick answer — Takahiro Sumi voices Takeshi Iguchi in JUJUTSU KAISEN Season 3: The Culling Game Part 1, Ray Lagoid in Mobile Suit Gundam Hathaway, Flair no Chichi in MONSTERS: 103 Mercies Dragon Damnation and 2 more characters.
Takahiro Sumi voices Takeshi Iguchi (JUJUTSU KAISEN Season 3: The Culling Game Part 1), Ray Lagoid (Mobile Suit Gundam Hathaway), Flair no Chichi (MONSTERS: 103 Mercies Dragon Damnation), Frank (Super Crooks), Judge Robot (Tribe Nine).
Takeshi Iguchi is voiced in Japanese by Takahiro Sumi.