Kenny is a white cat who serves as the familiar of the witch Akane Kowata. As a familiar, Kenny has lived for a very long time, even longer than the character Chito, and is considered a senior and a前辈 (senior) among familiars. One notable characteristic of Kenny is a deep interest in academic subjects, being well-versed in both anthropology and archaeology. This knowledge suggests a thoughtful and studious nature, and Kenny is described as having a calm, composed, and steady personality, rarely becoming flustered. The primary role in the story is to be a companion and helper to Akane. While specific details of development are not documented, the longevity and wisdom indicate a character that has existed for a long time within the world. A notable ability or trait is possessing knowledge of human history and culture, which forms a core part of the character's interests.