Quick answer — Kenta Ookuma voices Shoukichi Oka in SK8 the Infinity, Yakunin B in Wandering Witch: The Journey of Elaina, Kabane in Kabaneri of the Iron Fortress: Life That Burns and 5 more characters.
Kenta Ookuma voices Shoukichi Oka (SK8 the Infinity), Yakunin B (Wandering Witch: The Journey of Elaina), Kabane (Kabaneri of the Iron Fortress: Life That Burns), Wazatori (Kabaneri of the Iron Fortress: Light That Gathers), Alberto Larrazábal (Macross Delta), Shuzo (Kabaneri of the Iron Fortress), Franz Kefka (Attack on Titan Picture Drama), Ken Ishiyama (Boku no Hero Academia: I am a hero too).
Shoukichi Oka is voiced in Japanese by Kenta Ookuma.
