
Quick answer — Manabu Sakamaki voices Yan in Attack on Titan: No Regrets, Arabia Fats in JoJo's Bizarre Adventure: Stardust Crusaders, Lew in Jormungand and 2 more characters.
Manabu Sakamaki voices Yan (Attack on Titan: No Regrets), Arabia Fats (JoJo's Bizarre Adventure: Stardust Crusaders), Lew (Jormungand), Oosuga (Dream Eater Merry), Suzuki (Rin-ne).
Yan is voiced in Japanese by Manabu Sakamaki.