Kimberly Diane "Kim" Craig née Day is a fictional character in the Australian sitcom Kath & Kim, portrayed by Gina Riley. Along with her co-star who plays her onscreen mother, Jane Turner who plays Kath Day-Knight, Riley created the series and writes it.The idea was originally grasped during the nineties while successful Australian shows such as Big Girl's Blouse had skits on them with identical characters of the same name.