Board Thread:General Discussion/@comment-25860806-20150221032302/@comment-26072045-20150319214624

Izunna Nwogbo wrote: Speaking of the llama, it's a great example. We had theories ranging from Mabel doppelgangers to it representing the wildlife of Gravity Falls.

It was only through subtle hints like the llama on Mabel's shirt facing the opposite direction and Alex saying Pacifica is the "diametric opposite" of her - that we were able to narrow it down. But Pacifica's llama is also in the opposite direction.