Who voiced the character Barney Gumble in "The Simpsons Christmas Special?"
Barney Gumble:  The character is voiced by Dan Castellaneta and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire". Simpsons Roasting on an Open Fire: "Simpsons Roasting on an Open Fire", also known as "The Simpsons Christmas Special", is the series premiere episode of "The Simpsons".
i don't know