It's Castellaneta behind Krusty the Clown, Groundskeeper Willie, and Mayor Quimby, among many others. He's now also the voice ...

Congratulations to Mayor-Elect John Ewing on his election victory. We look forward to meeting with him soon and collaborating on plans for Omaha’s bright future," Mello said in a statement.

Fat Tony, the leader of the Springfield mafia who was often seen handing large bags of cash over to Mayor Quimby, made dozens of appearances on The Simpsons before meeting his maker in Season 22.