Pacifica Northwest is a recurring antagonist of Gravity Falls. She is a rich, spoiled, snobbish, and arrogant girl that is Mabel's rival
She first appears in "Double Dipper" where she bullies Mabel at the Mystery Shack party.
She also appears in "The Time Traveler's Pig" where she bullies Mabel for having Waddles. She does manage to get Waddles before Mabel does in the alternate timeline. Dipper makes this up to Mabel by fixing the timeline and as a result, Pacifica ends up with a chicken instead.
She also appears in "The Golf War" where she challenges and humiliates Mabel in a golf tournament. Both sort of resolve their feud later on.
- She is similar to Taffyta Muttonfudge from Wreck-It Ralph.
- She is the female equivalent to Robbie V.