She is generally shown to have a sassy yet jazzy personality. She tends to snap her fingers while talking. She also speaks with a jive-like accent.
Nasty Cat is nearly as tall as Goat. She has light brown fur and red hair going upwards. She has purple eyeshadow and wears golden earrings. She wears a black leather coat with green trim, a pair of green and black leggings and green slip-on shoes.