
Quick answer — Toshitsugu Takashina voices Rinpei Itou in Space Brothers, Wolf in Ascendance of a Bookworm Season 3, Sculpin in Lupin the Third: The Woman Called Fujiko Mine.
Toshitsugu Takashina voices Rinpei Itou (Space Brothers), Wolf (Ascendance of a Bookworm Season 3), Sculpin (Lupin the Third: The Woman Called Fujiko Mine).
Rinpei Itou is voiced in Japanese by Toshitsugu Takashina.