Demencia is as a cheerful, energetic, hysterical, mischievous, craving for destruction and troublemaker girl. She also seem to be madly in love with Black Hat, as shown further in "The Perception of Evil" when Demencia created a muscular version of him and lovingly clings to him. Despite this, the thought of Black Hat being a hero is very upsetting to her. Demencia is shown to be scatterbrained, as she tends to go through things without thinking