Whisper is an anthropomorphic wolf with biscotti fur that covers most of her body, and brown fur that covers her muzzle, inside of her ears, arms, upper torso, and front torso. For attire, Whisper wears a cream-colored tube top. light gray leggings, and a dark gray cloak, in which she keeps six Wisp canisters. The cloak also has black and dark gray pockets seen on the shoulders.

Whisper wears an outfit geared towards combat. This includes dark gray arm sleeves with black elbow pads, dark gray.