
Quick answer — Hidenari Ugaki voices Argo Gulskii in Mobile Fighter G Gundam, Alexis Dawson in BANANA FISH, Khan in JoJo's Bizarre Adventure: Stardust Crusaders - Battle in Egypt and 18 more characters.
Hidenari Ugaki voices Argo Gulskii (Mobile Fighter G Gundam), Alexis Dawson (BANANA FISH), Khan (JoJo's Bizarre Adventure: Stardust Crusaders - Battle in Egypt), Kokuou (To Your Eternity Season 2), Masahiro Mashiro (Bakuman.), Riki Naegino (Kaleido Star), Nobuto (Sparks of Tomorrow), Tanishi (Rurouni Kenshin (2023)) and 13 more.
Argo Gulskii is voiced in Japanese by Hidenari Ugaki.