Crystal is the child of fluffen day and puppers night, she was born along side her sister, cruffle. Crystal has appeared to have been changed over the years, and her present one having a pink,blue, and purple gradient outline with white fur. In the kittydog story, theories have been made that she first marries clicky, when they end up having their child, calimelon. but after an unknown conflict, they split up. and instead, in the future, Crystal dates Boob, also known as pancake, and has a child with him/her, thus creating Potion. Crystal is also the granddaughter of Graep and starstorm, puppers parents, paeki and puffle, fluffens parents.