"Moe Goes from Rags to Riches" is the twelfth episode of the twenty-third season of the American animated sitcom "The Simpsons", in the episode, Moe Szyslak's old bar rag tells its history, from being a medieval French tapestry to ending up at Moe's bar, Morris "Moe" Szyslak is a fictional character from "The Simpsons", voiced by who?