Diane Pie - a terrestrial pony, one of the protagonists of the series, who lives in Ponyville. Sister Maud Pie, Limestone Pie and Marble Pie and daughter Igneous Rock and Cloudy Quartz. A possible distant relative of the Apple family [2]. He lives and works at Sugar Corner, assisting Cake in the production of confectionery and care for their children. He has a small, toothless alligator named Gummy.
