Edna Krabappel is a fictional character from the long-running American animated sitcom The Simpsons. She was voiced by the late Marcia Wallace and first appeared in the episode 'Bart the Lover' in 1992. Edna Krabappel is a 4th grade teacher at Springfield Elementary School, where she teaches Bart Simpson's class. She is often seen as a hard-nosed, cynical, and somewhat alcoholic woman who frequently makes snide remarks about her students.