
Quick answer — Seiji Maeda voices Melt Narushima in Oshi No Ko, Hikaru Kikuchi in My Dress-Up Darling Season 2, Wolf Lehman in The Most Notorious "Talker" Runs the World's Greatest Clan and 3 more characters.
Seiji Maeda voices Melt Narushima (Oshi No Ko), Hikaru Kikuchi (My Dress-Up Darling Season 2), Wolf Lehman (The Most Notorious "Talker" Runs the World's Greatest Clan), Shou Yamabuki (IRODUKU: The World in Colors), Shoshinsha Senshi (GOBLIN SLAYER), Gilbert Bush (Let This Grieving Soul Retire).
Melt Narushima is voiced in Japanese by Seiji Maeda.