User blog comment:Soul Wolfy/WHODUNIT/@comment-7174296-20130421020820

It could be him, but alot of other people have been in gravity falls longer, like Old Man McGucket. But that could explain why the book was hiddin under ground and why they 'just stop'. Maybe when he heard that the twins were coming he hind it in the hiding place. That would also explain Gideons rivalry (Apart from bisness) if Gideon stole the book from him.