Old Man McGucket



Old Man McGunkin, or as he is known before the episode "Headhunters" the Crazy Old Man, is the oldest known person in Gravity Falls. He appears in two episodes: Headhunters, and The Legend of the Gobblewonker.

The Legend of the Gobblewonker
Old Man McGunkin is both the first person to tell Dipperand Mabel about the Gobblewonker, and the person who faked the entire thing.

Headhunters
Old Man McGunkin appears as one of the three people who has questions during Grunkle Stan's reveal of his self-statue that Mabel made.

We also learn here that his name is Old Man McGunkin.