Wherever Camille goes, Debutante is almost always with her, usually carried in her purse. Debutante was extremely loyal, though wanting to be close to her mistress gave away Camille's disguises more than once. Debutante seems to be one of Camille's major sources of true happiness. When accidentally separated from each other, both grew notably depressed and lonely.
Debutante has an obsession with Rufus--not because she likes to chase rodents like most cats-- but because she has a huge crush on Rufus, but he is utterly repulsed by her.