She is a young girl who embodies contradiction itself, combining the dual natures of "day" and "night." She displays a childish manner of speech, but she is truly quick of thought. Rationality dominates her behavior, but there are many inherent weaknesses to her psyche. Her personality is both pure and cruel, and she is inclined to repay cruelty with cruelty and benevolence with benevolence. After killing several women, she was given the name "Jack the Ripper".