Don "shave those sideburns" Mattingly John the gay guy (John Watters) Smithers Santos L. Halper Francine The Bully
Already named as has Todd Flanders, John the gay guy, Smithers, and Gil. Ruth Powers and her daughter, Laura (Sara Gilbert did her voice). Also moe, Aristotle's last name was Onassis. Also, came up with Montgomery Burns' brother, George Burns. And I will also add the adult education teacher or administrator who didn't believe Homer when he told him that he could tell the difference between butter and I can't believe it's not butter!
that German guy who was the rightful owner of The Fighting Hellfish's treasure. He was the one that had to go to a Kraftwerk concert and he told Bart and Grandpa - "Hey funboys, get a room!"