M. A. Larson

Mitchell Aaron Larson is an American screenwriter and author. Larson has written for several animated series, including Foster's Home for Imaginary Friends, My Gym Partner's a Monkey, Growing Up Creepie, Kick Buttowski: Suburban Daredevil, Gravity Falls, Littlest Pet Shop, SuperKitties, and most notably My Little Pony: Friendship Is Magic. Depending on which series he is working on, he is credited as either Mitch Larson, M. A. Larson, and Mitchell Larson (rarely).