
Quick answer — Wasabi Mizuta voices Hyo-hyo in Kaiba, Kohyol in Moribito: Guardian of the Spirit, Xiao in One Piece Film: Strong World and 6 more characters.
Wasabi Mizuta voices Hyo-hyo (Kaiba), Kohyol (Moribito: Guardian of the Spirit), Xiao (One Piece Film: Strong World), Yuuta Fukui (Hikaru no Go), Gozen (Arms Alchemy), Aji (Wash It All Away), Boris Kuznetsov (Beyblade), Otouto Gushooshin (Descendants of Darkness) and 1 more.
Hyo-hyo is voiced in Japanese by Wasabi Mizuta.