
Quick answer — Erii Yamazaki voices Roboko in World Conquest Zvezda Plot, Makoto Ogawa in Re-Kan!, Shii in Nyanko Days and 7 more characters.
Erii Yamazaki voices Roboko (World Conquest Zvezda Plot), Makoto Ogawa (Re-Kan!), Shii (Nyanko Days), Yuu Aizawa (Pan de Peace!), Hitomi (My Teen Romantic Comedy SNAFU), Moe Morita (Samurai Flamenco), Yuki Miyamura (Ooya-san wa Shishunki!), Hibari Torikai (Inugami-san to Nekoyama-san) and 2 more.
Roboko is voiced in Japanese by Erii Yamazaki.