He inherited his great uncles’ things.
I don't draw much GFalls anymore but I should. This show means so much to me. I love the idea of Dipper growing up to become an artist and cryptozoologist and returning to the falls when he's older to keep studying monsters and things. Assuming they're still around at the end of the series. ;v;
Link
ImagineThis
I have a feeling that this might actually happen, it would be a good out to make them older.