The Archibald Corduroy is a spirit haunting the Northwests' mansion.
History
The spirit died many years ago and opted to haunt Northwest Manor.
In "Northwest Mansion Mystery," Pacifica Northwest discovers him in her family's home and contacts Dipper Pines to help her capture the specter. However, he soon overwhelms the children, and Dipper consults his Journal for advice, but only finds a suggestion to "beg for mercy."
Appearance
The ghost is takes the form of a lumberjack, and has a flaming beard.