Maria Elizabeth Sheldon Bamford (September 3, 1970) is an American stand-up comedian, actress, and voice actress who provided the voice for Mayor Dixie (in "Stinky's Pumpkin" and "Arnold's Thanksgiving"), Stinky's grandmother and Iggy's mother. Some of her best-known roles include Slime Princess in Adventure Time, Shriek in CatDog, and Cheryl Smith in Second City Headlines & News.