Monster High is an American fashion doll franchise created by Mattel and launched in July 2010. The characters are inspired by monster movies, sci-fi horror, thriller fiction, and various other creatures. Monster High was created by Garrett Sander, with illustrations by Kellee Riley and illustrator Glen Hanson.
The franchise includes many consumer products such as stationery, bags, key chains, various toys, play sets, video games, TV specials, a web series, and direct-to-DVD movies. Lisi Harrison is the author of the Monster High books. The characters are related to, or the offspring of, famous monsters such as Dracula, Frankenstein's monster, the Mummy, Medusa, the Creature from the Black Lagoon, the Phantom of the Opera, zombies and more.