Mabel Pines (born August 31, 1999, 5 minutes before Dipper Pines) is a 12-year-old girl and is the co-protagonist of the series "Gravity Falls". Alongside her brother Dipper, she spends the summer of 2012 with her Great Uncle Stan in Gravity Falls, Oregon, where she and her brother frequently encounter the supernatural. She takes a much less serious approach to life than her twin brother Dipper, as she navigates her way around odd, new surroundings.