Lucky is an anthropomorphic calico cat with yellow eyes. Thus, she has a tri-color coat, consisting of: a creamish color, dark brown and orange (with the last two appearing notably on her face and tail). Her muzzle and inner-ears are pink.

Lucky's main costume consists of a navy blue ninja-styled outfit with an indigo sash tied around it. She wears a red scarf over it and has a brown katana scabbard behind her (shown in cutscenes). She also walks barefoot.