(Jason Ritter): Logical, paranoid, and obsessed with uncovering the town's secrets.

Gravity Falls Season 1 establishes the show's mix of supernatural mystery, sibling bonds, and comedy, following 12-year-old twins as they spend the summer in the strange town of Gravity Falls, Oregon. Series Overview & Production Gravity Falls Season 1

(Alex Hirsch): The twins' "con-artist" great-uncle who runs the Mystery Shack , a tourist trap filled with fake oddities. Plot Summary Review: Gravity Falls Season One | A Reckless Venture (Jason Ritter): Logical

(Kristen Schaal): Energetic, optimistic, and often focused on "summer romances". and often focused on "summer romances".