User blog comment:Gcheung28/Help Build a Gravity Falls Quiz/@comment-8929662-20140721200526

Which characters paired below are NOT rivals of each other?

a. Mabel Pines and Pacifica Northwest

b. Sheriff Blubs and Deputy Durland (correct)

c. Dipper Pines and Robbie V.

d. Grunkle Stan and Lil' Gideon