For confused Westerners: Kappei Yamaguchi is a male Japanese VA who's been active since at least the 80s and specializes in playing the voices of shounen protagonists. He attempts to comprises the voices of four iconic characters he played: Ranma Saotome (Ranma 1/2), Inuyasha (Inuyasha), Shinichi Kudo (Detective Conan), and "L" (Death Note). In Japan he's best known for 1 and 3 whereas Americans are more likely to be familiar with 2 and 4.
Now he's also Red 13 from FF7R. They choose him because the lore that he's actually a teenage Lion-dog who's mimicking a wise old man voice(he's kinda like Inuyasha).
