Mattel's Got a Monster Holiday Hit, but Will Franchise Have Staying Power? Monster High 'Transmedia' Play Expands Beyond Dolls to Merchandise, Apparel and Entertainment By Beth Snyder Bulik Published: December 06, 2010 NEW YORK (AdAge.com) -- Good luck finding Ghoulia Yelps this Christmas. Monster High, a line of teen dolls from the makers of Barbie packaged as the children of famous monsters like Dracula and Frankenstein, have names like Draculaura and Frankie Stein, a "Twilight" twist, hip street fashions and complicated backstories.