[Dude if you're hankering for a swimming race or something you're looking at the wrong kid.

Dipper frowns, folding his arms as he shares a brief glance with his Deerling. Don't look at her, she can't swim.]

I'm looking for my sister, Mabel. Have you seen anyone who looks like me around here? ...I mean, kindof. We're twins.

She's probably in a pink sweater and might have a pig with her.