
Quick answer — Hideyuki Hori voices Shinji Itou in Kyou kara Ore wa!!, Nobuo Tanaka in Memories, Kyouji Kasshu in Mobile Fighter G Gundam and 18 more characters.
Hideyuki Hori voices Shinji Itou (Kyou kara Ore wa!!), Nobuo Tanaka (Memories), Kyouji Kasshu (Mobile Fighter G Gundam), Ikki (Saint Seiya: Knights of the Zodiac), Ikurou Hashizawa (Baoh the Visitor), Kyouya Izayoi (Demon City Shinjuku), Sakuragi (Perfect Blue), De Villiers (Legend of the Galactic Heroes: Die Neue These Second) and 13 more.
Shinji Itou is voiced in Japanese by Hideyuki Hori.