Kristen Schaal is an American actress and voice-over, best known for her roles as Louise Belcher in Bob's Burgers, Mabel Pines in Gravity Falls, Carol Pilbasin in The Last Man on Earth, and Sarah Lynn on Bojack Horseman. She is married to Bless the Harts writer and voice-actor Rich Blomquist.
Schaal guest starred as a mallrat named Stacy in the episode "Dead Mall".