Migi is a fictional character from the manga and anime series Parasyte. Migi is a parasitic organism that takes over the right hand of a high school student named Shinichi Izumi. Unlike other parasites, Migi develops a unique bond with Shinichi, leading to a complex relationship as they navigate threats from other parasites. Migi is characterized by its cold, logical demeanor and exceptional intelligence. It possesses the ability to adapt and evolve, making it a formidable ally and adversary. The story explores themes of identity, humanity, and survival as Shinichi and Migi confront various challenges together.