Edna Krabappel, commonly known as Mrs. Krabappel, is a fictional character from the animated television series The Simpsons. She was voiced by Marcia Wallace until her death in 2013 and has since been voiced by various guest stars. She is a 4th grade teacher at Springfield Elementary School and is often seen in the classroom with Bart Simpson. She is known for her sarcastic wit and her tendency to drink heavily.