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Michael Rianda (born June 17, 1984) is an American cartoonist, director, screenwriter, and voice actor. He is known for his work on Gravity Falls as a creative director and writer for season 1, and creative consultant for season 2. He is also known for directing, co-writing, and co-starring his feature directorial debut The Mitchells vs. the Machines (2021), for which he was nominated for the Academy Award for Best Animated Feature. Wikipedia