User blog:Newwikiuser11/How Stan's brother is the writer of The Journals

Let's start from season 1 clues.

'Dreamscapers' showed a memory of Stan's brother and him boxing beacuse their father told them so.

A  year or less,Stan's brother disappeard.Which brings us to 'Time Traveler's Pig'.When Dipper and Mabel were fighting,they passed the Mystery Shack where either Stan or his brother was seen open the door.

season 2 clues are:

'Not What He Seems' had shown us Stan's brother show his identity.Few episodes back, in 'Society of The Blind Eye' Old ManMGucket's memories showed him explaining about The Portal,later it was revealed that MGucket was the builder of The Portal.So you see,Dipper was wrong.