Migi

Migi is the deuteragonist of the anime/manga series Parasyte. He is a Parasite who attempted to take over the body of Shinichi Izumi, but was ultimately only able to take over his right hand, which also allowed Shinichi to retain his individuality. While initially indifferent towards Shinichi, Migi is forced to protect his life in order to survive, as he can't survive without a human host.He is voiced by Aya Hirano in the Japanese version of the anime and Brittney Karbowski in the English version, the former of whom also voices Haruhi Suzumiya and Lucy Heartfilia.