Karen has a chestnut-colored printer for a head. On the front of the printer is a decal of a horse. She wears a beige scoop-neck shirt with a handful of buttons down her chest. There is a mole on the center of the chest as well. Additionally, she wears dark colored jeans. Karen is a stern and blunt character. She struggles detecting sarcasm and understanding idioms and jokes, likely due to the fact she is Autistic, plus her secret interest of horses. She also seems to be intelligent.