
Quick answer — Yoshimitsu Shimoyama voices Halfdan in Vinland Saga, Willard Evanstine in BANANA FISH, Desha in Ranking of Kings and 17 more characters.
Yoshimitsu Shimoyama voices Halfdan (Vinland Saga), Willard Evanstine (BANANA FISH), Desha (Ranking of Kings), Hideaki Kusano (Major S2), Kawai (Terror in Resonance), Alzack Connell (Fairy Tail Final Season), Kingyo Yami (One-Punch Man: Road to Hero), Mukkuru (Utawarerumono) and 12 more.
Halfdan is voiced in Japanese by Yoshimitsu Shimoyama.