She has long magenta-lavender gradient hair that reaches past her knees and straight-cut bangs with a white heart on top. She has slit golden eyes and a pair of fangs. She also has a heart-shaped devil tail. She generally is level-headed yet tends to get pushed around by the princess whom she looks very much alike. She's also worried too much about her popularity. Cubey's favorite snack is the crispy edge of fugashi wheat-gluten crackers.