Pieck is a short young woman with long, disheveled shoulder-length black hair, a Greek nose and relaxed dark brown eyes that wears a white blouse, a long trench coat, and skirt which goes down to her ankles. She is shown to be sweet and kind, consistently shown to care about her fellow Warriors. She is incredibly intelligent, able to quickly deduce a situation. She prefers to crawl on all fours as it's more natural to her. She can walk normally, even though she might need crutches.