The time-traveler in Gravity Falls is Blendin Blandin who job is to stop a series of time problems caused by Mabel and Diper:3
Ingredients1 cup sugar1 teaspoon baking soda1 3/4 cups flour1/2 cup pecans chopped1 teaspoon vanilla1 teaspoon cream of tartar2 cups cornflakes1 cup butterCream butter and sugar. Add vanilla, soda, cream of tartar, and flour; blendin g well. Fold in Cornflakes and nuts. Batter will be thick and crumbly. Drop by small sponfuls on prepared cookie sheet. Bake 350 for 12-15 minutes or unti l light brown. Remove from cookie sheet immediately, as they will stick to it when cool.
In the show "Gravity Falls," the author of the journals is revealed to be Stanford Pines, also known as "Grunkle Stan's" long-lost twin brother. He documented his adventures and discoveries in the mysterious town of Gravity Falls in the three journals he wrote.