
Quick answer — Kouji Okino voices Melon in BEASTARS Final Season Part 1, King in Sugar Apple Fairy Tale Season 2, Tetsutetsu Tetsutetsu in My Hero Academia: World Heroes' Mission and 3 more characters.
Kouji Okino voices Melon (BEASTARS Final Season Part 1), King (Sugar Apple Fairy Tale Season 2), Tetsutetsu Tetsutetsu (My Hero Academia: World Heroes' Mission), Trainer (Umamusume: Pretty Derby), Mutsuo Mihara (Fuuto PI), Aogi (Malevolent Spirits: Mononogatari).
Melon is voiced in Japanese by Kouji Okino.