Ghoulia Yelps is a former villainess in the "Monster High" webseries and cartoons. Less of a villain herself and more of a henchmen, Ghoulia has reformed just as her boss did.
Ghoulia Yelps was formerly the henchwoman and best friend of Cleo de Nile. After a while, Cleo and Ghoulia became good friends with the other monsters and while Cleo still manages to keep a bit of mean in her, Ghoulia is a completely redeemed monster.
- Ghoulia could be considered the secondary antagonist of New Ghoul at School.