*Maud Pie is a female human, a student at Canterlot High School and Pinkie Pie's older sister.

Maud is often depicted with a blank neutral facial expression with her eyes half-closed and a dry demeanor that contrasts her more upbeat sister. She has a tendency to talk in a rather monotonous and dry tone of voice. She never smiles except for a few occasions while interacting with her closest friends.

In addition, Maud is shown to have a deep knowledge of and fascination with rocks. Despite her typically flat demeanor, she deeply loves her sister Pinkie Pie and shows a deep concern for her when her life is put in apparent danger. Despite not sharing Pinkie's interests in throwing surprise parties and making candy, she enjoys doing such activities with Pinkie solely because her sister does.*