Ed Asner
From Muppet Wiki
Ed Asner (b. 1929) is an actor best known for playing Lou Grant, first on The Mary Tyler Moore Show and then on his own Lou Grant spin-off series. In the early 90s, Asner began a prolific second career as a voice-over artist on animated series, including Superman, The Simpsons, Spider-Man, and Batman: The Animated Series.
Asner performed the "Evil Georgie" voice in the Dinosaurs episode "Georgie Must Die."
