
Quick answer — Kikunosuke Toya voices Denji in Chainsaw Man, Mikoto Yuzuki in The Yuzuki Family’s Four Sons, Donny in The Seven Deadly Sins: Four Knights of the Apocalypse and 17 more characters.
Kikunosuke Toya voices Denji (Chainsaw Man), Mikoto Yuzuki (The Yuzuki Family’s Four Sons), Donny (The Seven Deadly Sins: Four Knights of the Apocalypse), Hadis Rave (The Do-Over Damsel Conquers the Dragon Emperor), Jan Akiyama (Iron Wok Jan!), Shuichi Nakatsu (Hana-Kimi), Yuu Natsume (Can a Boy-Girl Friendship Survive?), Ein (Even Given the Worthless “Appraiser” Class, I’m Actually the Strongest) and 12 more.
Denji is voiced in Japanese by Kikunosuke Toya.