Piella Bakewell is the sole main antagonist of A Matter of Loaf and Death and the former love interest and fiancee of Wallace, as well as the owner of Fluffles. She was once a famous and attractive actress, starring in the Bake-O-Lite commercials; however, she is now a notorious murderer, known as 'The Cereal Killer', who targets bakers. Wallace was her intended final victim, but she was ultimately outwitted by the inventor and his loyal dog Gromit. She is voiced by Sally Lindsay.