Ghoulia Yelps is a fictional character from the Monster High franchise, which features a group of teenage monsters. She is depicted as a zombie and is known for her blue skin, red glasses, and a love for books. Ghoulia is characterized by her intelligence and often serves as the voice of reason among her friends. As a member of the Monster High student body, Ghoulia has a unique personality that combines nerdiness with a cool demeanor. She communicates primarily through gestures and writing, as she is unable to speak verbally. Her character emphasizes themes of friendship, acceptance, and embracing one's individuality.