Grey DeLisle

Grey DeLisle, also credited as Grey Griffin, is an American voice actress, comedian, and singer-songwriter. She is the voice actor for Madame Razz and additional voices in She-Ra and the Princesses of Power, and Evelyn/Evil-Lyn and Mo'squita'ra in He-Man and the Masters of the Universe.

Overview
She is best known for her roles in movies and children's TV shows, such as The Fairly OddParents, Scooby-Doo, Avatar: The Last Airbender, Gravity Falls, Star vs. the Forces of Evil, among others.