
Quick answer — Ryuunosuke Watanuki voices Pedro in A Silent Voice, Haruto Kijibayashi in Mob Psycho 100 III, Yuuto Tougou in Journal with Witch and 19 more characters.
Ryuunosuke Watanuki voices Pedro (A Silent Voice), Haruto Kijibayashi (Mob Psycho 100 III), Yuuto Tougou (Journal with Witch), Blaze (Mushoku Tensei: Jobless Reincarnation Cour 2), Matsuo (Mob Psycho 100), Drac Dragulescu (Blue Exorcist -The Blue Night Saga-), Goto (Keep Your Hands Off Eizouken!), Kyokuchou (HINAMATSURI) and 14 more.
Pedro is voiced in Japanese by Ryuunosuke Watanuki.