
Quick answer — Tomohiro Tsuboi voices Shinpachi Nagakura in Hakuoki ~Demon of the Fleeting Blossom~, Taliesin in Tears to Tiara, Kuizame Maniwa in Katanagatari and 14 more characters.
Tomohiro Tsuboi voices Shinpachi Nagakura (Hakuoki ~Demon of the Fleeting Blossom~), Taliesin (Tears to Tiara), Kuizame Maniwa (Katanagatari), Hypnos (Saint Seiya: The Lost Canvas), Izumo Kamizuki (The Last: Naruto the Movie), Grantz Magenta (The Magical Revolution of the Reincarnated Princess and the Genius Young Lady), Seishiro Utsumi (Unlimited Psychic Squad), Shima (Zegapain) and 9 more.
Shinpachi Nagakura is voiced in Japanese by Tomohiro Tsuboi.