Marmalade Jalapeno Popette has two shades orange mane and tail and yellow fur coat and purple eyes. Marmalade Jalapeno Popette's cutie mark is three green apples, in Friendsip is Magic Part 1, Over a Barrel and Too Many Pinkie Pie, but is three pieces of apple fritter in Green Isn't Your Color. She is wearing two orange bow ties. She shares her design with Apple Fritter, Apple Strudel (female), and Violet Fritter.
Marmalade Jalapeno Popette has only made one appearance throughout the whole My Little Pony: Friendship is Magic series, meaning her first appearance was her last appearance.
Marmalade Jalapeno Popette made her debut appearance in Over a Barrel.