Stanford Pines

Dr. Stanford "Ford" Pines, Ph.D. is the twin brother of Stanley Pines The Author off 3 journals and a mysterious paranormal investigator who came to Gravity Falls, Oregon, to study the huge concentration of supernatural activity in and around the town. After spending years cataloging his research in a series of journals, he disappeared into an alternate dimension, his writings the only evidence of his existence. His identity and whereabouts were a central mystery of the Gravity Falls series until the middle of the show's second season, when he was revealed to be Stan Pines' long-lost twin brother who vanished into an alternate universe after a falling out with his brother caused him to stumble into the universe portals.