Bertha first appears in the song "This is Halloween" along with Ned and Ethan. Later on, Bertha is seen clapping when Jack comes out of the fountain. Bertha was later seen at the meeting , and later still, dragging Ethan on a leash. Bertha later appears among the saddened citizens when Jack is suppoedly blown up by the military. Bertha later reappears after taking a nap and seen in the crowd when Jack returns.