Meghan Walsh Madlen McCarthy is an American screenwriter, lyricist, film and television producer, and creative executive best known as the showrunner of the animated television show My Little Pony: Friendship Is Magic. She is also known for her work on Class of 3000 and Fish Hooks. Since June 2015, she has been the Head of Storytelling for the entire My Little Pony and Littlest Pet Shop brands, helping to "create expansive worlds and characters".McCarthy was a part of the original Friendship Is Magic crew, and was promoted as showrunner and story editor during season 2 after the departure of series creator and previous showrunner Lauren Faust. Overall, she was directly involved in the writing of 35 episodes, and wrote the lyrics of 25 songs featured in the show; she also wrote the screenplays and lyrics of the spin-off films My Little Pony: Equestria Girls and My Little Pony: Equestria Girls – Rainbow Rocks, and My Little Pony: The Movie.