Kristen Schaal

Kristen Joy Schaal is an American actress, comedian, and writer. Known for her distinctive high-pitched, childlike voice, she voices Louise Belcher on Bob's Burgers and voiced Mabel Pines on Gravity Falls. She also played Mel on Flight of the Conchords, The Guide on What We Do in the Shadows, Hurshe Heartshe on The Heart, She Holler, and Carol Pilbasian on The Last Man on Earth. She provided several voices for BoJack Horseman; for the character of Sarah Lynn, she was nominated for a Primetime Emmy Award for Outstanding Character Voice-Over Performance.