Katrina wears a navy business suit that has a fur lined collar around the jacket collar and sleeves, grey undershirt, and oval beaded necklace and teardrop earrings. She has short grey hair that is above shoulder length.
In the 1990s she had brown hair and was seen wearing a pink spaghetti-strapped sequined evening dress, white feather boa and a gold chain around her neck.
Katrina first appears in the 1994 scene of Hank After Dark shown to despise Mr. Peanutbutter she is also mentioned to have been cheating on Mr. Peanutbutter with a busboy. In That Went Well, after Mr. Peanutbutter saves Pacific City from a Spaghetti-related problem, Katrina shows up and offers Mr. Peanutbutter a job as the candidate for the Governor of California.
She is a supporting character of Season 4, advising Mr. Peanutbutter on how to run for the position of governor. It turns out he is not a very good choice for an electoral candidate. He eventually dropped out, and she began advising Jessica Biel, Mr. Peanutbutter's second ex wife. They both lost the election.
She is also on good terms with Mr. Peanutbutter's friend Erica and is the second person on the show to acknowledge she exists, the first being Mr. Peanutbutter.
She is shown to be neurotic and possibly an alcoholic in a flashback in Hank After Dark. She is also mentioned to cheat, and shows a lack of interest in arguing with Mr. Peanutbutter.
Although she hates Mr. Peanutbutter, she resents both Jessica Biel and Diane more.