
Quick answer — Hiroshi Shimozaki voices Tyranno Kenzan in Yu-Gi-Oh! GX, Yasuke in MUSHI-SHI, Gozu no Aooni in Natsume's Book of Friends Season 1 and 4 more characters.
Hiroshi Shimozaki voices Tyranno Kenzan (Yu-Gi-Oh! GX), Yasuke (MUSHI-SHI), Gozu no Aooni (Natsume's Book of Friends Season 1), Ushikao no Chuukyuu Youkai (Natsume's Book of Friends Season 1), Souta Inamori (Yakuza Fiancé: Raise wa Tanin ga Ii), Denmark (Hetalia: The Beautiful World), Toshiki Mochizuki (The Perfect Insider).
Tyranno Kenzan is voiced in Japanese by Hiroshi Shimozaki.