Starting out at 15 days old, Frankie is the youngest student at Monster High. There is a generational distinction between Frankie's parents as they appear in the Monster High book series versus the rest of the franchise.
She was built a while back, and on the back of her Picture Day box as in doll box, she says "How many days has it been? As of Welcome to Monster High, her age is "115 days old. In the Monster High books, which are the only source of a name for Frankie's parents (Viktor and Viveka Stein), the two are creations of Frankenstein's Monster and the Bride.
She is nice and outgoing, and likes to try new fashions and styles.
She can sometimes struggle with her quirks but always finds a new perspective of her quirks in the end.
Frankie has made many friends since then, such as Deuce Gorgon and Clawd Wolf. She also made friends with Isi Dawndancer in "From Fear to There Part 2".
Frankie has light-green or mint-colored skin, long, straight, white, hair with black streaks, and stitches on her neck, arms, legs and a smaller, stitched scar on her right cheek, as well as two small bolts on her neck.Ghoulia Yelps is replaced with Ari Hauntington at the end of the movie: "Welcome to Monster High: The Origin Story", and in the Generation 2 webisodes, she is replacing Ghoulia.Either that, or she is not absent from the reboot series and Ari is just filling in for now.She started out as 15 days old, being the youngest student at Monster High, and then after, gained to be 16 days.She made friends with Draculaura She also got to be friends with Cleo de Nile at the end of "New Ghoul @ School". She has made many friends and has been a student at Monster High since.