Cassandra Dimitrescu was a chimæric mutant human born from the Cadou research project, and an adopted daughter of Countess Alcina Dimitrescu. She resided at Castle Dimitrescu with the rest of her family, including fellow adopted siblings Bela and Daniela. Cassandra was the middle child and she was noted to be a sadist who particularly enjoyed tormenting and killing her victims.

Cassandra has dark brown hair, yellow eyes, very pale, and blood around her mouth. Similar to her sisters, she is a tall woman, standing half a head taller than the average person with heels on, she wears a long hooded black dress, a cloak behind her back, and a flower tattoo on her forehead in the sign of House Dimitrescu.