Gompers

Gompers the Goat is a goat who lives in the Gravity Falls Forest near to the Mystery Shack. The goat usually finds his way inside the Mystery Shack, and at one point, ate all of the household's tin cans.

History
Gompers first appears in "Tourist Trapped," standing on Dipper's bed and nibbling on Mabel's sweater. Gompers later nibbles on the pages of book 3 at the forest. At the end of the episode, the goat picks up a trapped gnome in its mouth and runs off with him.

The goat appears next in "Headhunters," appearing outside the Mystery Shack a couple of times during the time of the murder of a wax sculpture of Stan. He is also mentioned to be responsible for eating all of the Pines family's tin cans.

Gompers is seen on the roof of the Mystery Shack in "The Inconveniencing" and watches a wedding ceremony during Pioneer Day in "Irrational Treasure."

In "Boss Mabel," Gompers is seen outside of the Mystery Shack when a bus load of tourists arrive. He is also seen in the end credits of the same episode where Stan is being lazy and dancing at the same time, where he attempts to steal Stan's fez, which they have a tug of war over.

In "Bottomless Pit!," Gompers appears after Dipper, Mabel, Soos, and Stan fall down the bottomless pit.

Gompers is also seen twice in "Carpet Diem"; once outside at night, and once in the attic eating leftover pizza.

In "Boyz Crazy," Gompers chews off Ergman Bratzman's license plate, which Soos praises him for; this later gets Bratzman arrested.

In "Land Before Swine," Gompers is seen eating grass and looking at Stan drive by, giving a tour of the Mystery Shack grounds.

In "Gideon Rises," Gompers is seen chewing on the fallen "S" of the Mystery Shack's sign.

Appearance
Gompers has a dull brown coat, a white stomach, and a dark brown spot on its lower back. It has yellow eyes and horizontal irises. Half of one of Gompers horns is missing.

Trivia

 * Gompers is named after English Labor Union leader, Samuel Gompers.
 * Gompers has horizontal irises like real life goats, as opposed to most cartoon goats, who are depicted as having normal irises.