Theresa Grognon

Theresa Grognon is a human character who is part of the EMPATH: The Luckiest Smurf story series. She is Gerry Royeaux's fellow classmate who often has a very negative outlook on life and is often teased by her other classmates who call her "Theresa the Terrible". Her personality is similar to that of Grouchy Smurf.