Bigfoot

Bigfoot, also known as Sasquatch, is a beast shown in Gravity Falls' opening credits running and looking at the camera. It is an allusion to the famous film that allegedly contains footage of Bigfoot. He appears in one frame in the opening credits. Grunkle Stan has made a "Sascrotch" a parody of sasquatch with underwear

Trivia

.in the legend of the gobblewonker soos poses like bigfoot.