Filbrick Pines

 is Stan Pines' father and Dipper and Mabel's great grandfather.

History
Great grandfather Pines makes his debut in "Dreamscaperers," in one of Stan's memories. During the memory, he's seen standing in the background as a young Stan fights with a fellow student in his boxing class. As Stan decides to fight back, we see Great Grandfather Pines nod in silent approval as his efforts to toughen him up are starting to work.

Personality
From what little we hear of him from Stan, it's implied that he was tough, but fair; only pushing Stan so he would be the best he could be. He also seems to be a man of few words, as in all his time onscreen, his only reaction to his surroundings is a simple nod of the head.

Appearance
Stan's father is a robust looking man; he has burly arms, skinny legs, and a distinct cleft chin. Just to the left of his chin is what appears to be a birthmark. He has light brown hair, and a small mustache. He wears a fedora, shades, and a dark yellow, plaid suit with white lines. Underneath the suit, he wears a blue dress shirt and white tie, along with brown dress pants and black shoes.