Mōri-kun is a bat and a fellow vampire who appears in the anime Nyanpire - The Vampire Cat. He is part of a duo with Komori-kun, and they are introduced in the episode titled Mori and Komori Appear. Mōri-kun belongs to the larger vampire family and claims to know the mysterious vampire who transformed Nyanpire into a vampire cat. His personality leans toward the mischievous and teasing side, as he and Komori-kun enjoy telling Nyanpire frightening stories about that vampire master, which unsettles the young cat. Mōri-kun's role in the story is primarily as a minor supporting character who provides information about the vampire world and adds comedic interactions through his playful, slightly unsettling behavior. His relationship with Komori-kun is that of a close companion, and together they serve as a link between Nyanpire and the vampire who gave him eternal life. No further character development or notable distinctive abilities are depicted in the series.