Why was he such a dick?

>but he's mostly friendly with the townsfolk
He literally makes his living off of assuming everyone is dumber than him.

I remember he did that equation in the Time Traveler's Pig, and apparently had the brains to be a good adversary against Ford in DDnMD

Did that even require an equation? He just figured out his sister wasn’t with him the other times

Until her head was beside the equal sign, he was writing down the equation(s), not realizing Mabel

Here's the vid, the equation starts at 3:33:
youtube.com/watch?v=2ltJnhoTKZ4

Fuck off Alex

His name is Mason what do you expect?

Why?

One of the downsides of living in rural America

You would have gotten more responses, and of a better quality, by just asking for Gravity Falls girls again.