Anastasia is described as a manipulative and ruthless person, as she will deceive anyone to get what she wants or for self-preservation. She is a capable manipulator and charmer. She has a mischievous personality and is rarely intimidated. Despite seeming evil in her first two appearances, Marceline is a trickster at heart, and her "evil plans" often turn out to be nothing more than elaborate jokes. She is sensual and creative, often thinking outside the box.