Mocchi is one of the seven Searchers, the main protagonists of the anime series. He is unlocked in the first episode from Genki's CD (used as a Mystery Disc) after the Mystery Disc that Holly and Suezo found brought Genki to their world. Mocchi becomes Genki's monster partner, following him and learning from him. Obviously the youngest on the team, Mocchi also grows the most throughout the series.