Mabel Pines

Mabel Pines is the Main Protagonist of Disney's Gravity Falls and Dipper's Twin sister.

Fanon Ideas So Far

 * Tiff vs Mabel Pines
 * (With Dipper) Twin Battle Royale
 * Louise Belcher vs Mabel Pines

Possible Opponents

 * Pinkie Pie
 * Luan Loud
 * Star Butterfly
 * Darwin Watterson
 * (With Dipper) Billy and Mady
 * Bart Simpson