One of Marge Simpson's older, unmarried, chain-smoking, twin sisters, Patty Bouvier clerks at the Department of Motor Vehicles and harbors a passionate disdain for Homer.
She hates Homer so much she would rather allow a dangerously incompetent driver on the road than miss a chance for a joke at Homer's expense.
Patty likes to be totally in control and has chosen a life of celibacy. She has truly found her niche at the DMV, where she can ensure that everyone, regardless of race, religion, gender or national origin, is afforded the same privileges - the privilege of endless lines, pointless paperwork, and withering gravel- voiced sarcasm.
