Question: Who voiced the character Barney Gumble in "The Simpsons Christmas Special?"

Context articles: Simpsons Roasting on an Open Fire
Moe Szyslak
The City of New York vs. Homer Simpson
The Bear That Couldn't Sleep
A Miser Brothers' Christmas
My Family (series 10)
Dan Castellaneta
Barney's Great Adventure
Mr. Plow
Barney Gumble

"Simpsons Roasting on an Open Fire", also known as "The Simpsons Christmas Special", is the series premiere episode of "The Simpsons".
 It was the first episode to air despite originally being the eighth episode produced for season one.
 It is the only full-length episode to air during the 1980s, having originally aired on the Fox network in the United States on December 17, 1989.
Morris "Moe" Szyslak is a fictional character from the American animated television series "The Simpsons".
 He is voiced by Hank Azaria and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire".
 Moe is the proprietor and bartender of Moe's Tavern, a Springfield bar frequented by Homer Simpson, Barney Gumble, Carl Carlson, Lenny Leonard, Sam, Larry, and others.
"The City of New York vs. Homer Simpson" is the first episode of "The Simpsons"<nowiki>'</nowiki> ninth season.
 The 179th episode of the series overall, it was originally broadcast on the Fox network in the United States on September 21, 1997.
 The episode features the Simpson family traveling to Manhattan to recover the family car, which was taken by Barney Gumble and abandoned outside the World Trade Center, therefore gaining numerous parking tickets and a parking boot.
The Bear That Couldn't Sleep is a 1939 animated short film, directed by Rudolf Ising for MGM as part of Metro-Goldwyn-Mayer's "Barney Bear" series.
 Released with the movie "6,000 Enemies" by MGM on June 10, 1939, the short is notable for featuring the first appearance of Barney Bear.
 Ising created the character Barney Bear in the late 1930s for MGM at this time, basing the sleepy-eyed character partially on himself.
A Miser Brothers' Christmas is a stop motion spin-off special based on some of the characters from the 1974 Rankin-Bass special "The Year Without a Santa Claus".
 Distributed by Warner Bros.
 Animation under their Warner Premiere label (the rights holders of the post-1974 Rankin-Bass library) and Toronto-based Cuppa Coffee Studios, the one-hour special premiered on ABC Family on Saturday, December 13, 2008, during the network's annual The 25 Days of Christmas programming.
 Mickey Rooney and George S. Irving reprised their respective roles as Santa Claus and Heat Miser at ages 88 and 86.
 Snow Miser, originally portrayed by Dick Shawn who died in 1987, was voiced by Juan Chioran, while Mrs. Claus, voiced by Shirley Booth in the original, was portrayed by Catherine Disher (because Booth had died in 1992).
 The movie aimed to emulate the Rankin/Bass animation style.
 This is the last Christmas special to feature Mickey Rooney as Santa Claus, as he died in 2014, as well as the last time George Irving voiced Heat Miser, as he died in 2016.
The tenth series of the BBC family sitcom "My Family" originally aired between 9 July 2010, and 27 August 2010, with a Christmas special that went to air on 24 December 2010.
 The series was commissioned following consistent ratings from the previous series.
 The opening episode, "Wheelie Ben", re-introduces the six main characters, with the addition of regular appearances from Kenzo Harper, played by Tayler Marshall.
 However, the character of Roger Bailey only made an appearance in the series finale.
 All episodes from the tenth series are thirty minutes in length, with the exception of the Christmas Special.
 The series was once again produced by Rude Boy Productions, a company that produces comedies created by Fred Barron.
 Unlike previous series of the show, which were filmed on a yearly basis, both Series 10 and 11 were filmed back-to-back.
 For the first time in the show's history, two episodes of the series remained unaired for some time.
 At the time of release, the DVD of the series contained two episodes that had yet to be broadcast on television.
 On 17 June 2011, one of these two episodes were aired, and the other is scheduled to air on 22 July 2011.
 The series averaged 4.55 million per episode; however, they managed to get over 6.00 million viewers for the Christmas Special.
Daniel Louis Castellaneta ( ; born October 29, 1957) is an American actor, voice actor, comedian and screenwriter.
 Noted for his long-running role as Homer Simpson on the animated television series "The Simpsons", he also voices many other characters for the show, including Abraham "Grampa" Simpson, Barney Gumble, Krusty the Clown, Sideshow Mel, Groundskeeper Willie, Mayor Quimby and Hans Moleman.
Barney's Great Adventure (also known by its promotional title Barney's Great Adventure: The Movie) is a 1998 American musical adventure film based on the children's television series "Barney & Friends", featuring the character Barney the Dinosaur.
 The film was written by Stephen White, directed by Steve Gomer, produced by Sheryl Leach and Lyrick Studios and released by PolyGram Filmed Entertainment on March 27, 1998 in the United States and Canada at the height of Barney's popularity.
"Mr. Plow" is the ninth episode of "The Simpsons"<nowiki>'</nowiki> fourth season.
 It originally aired on the Fox network in the United States on November 19, 1992.
 In the episode, Homer buys a snow plow and starts a business plowing driveways.
 It is a huge success, and inspired by this, Barney Gumble starts a rival company and quickly puts Homer out of business.
 The episode was written by Jon Vitti and directed by Jim Reardon.
 The episode was well received, with some critics calling it one of the best in the show's history.
 In 1993, Dan Castellaneta won his second Emmy Award for "Outstanding Voice-Over Performance" for this episode.
 The episode was also submitted in the "Outstanding Comedy Series" category although ultimately it was not nominated.
Barnard "Barney" Gumble is a fictional character on the American animated sitcom "The Simpsons".
 The character is voiced by Dan Castellaneta and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire".
 He is the town drunk of Springfield and Homer Simpson's best friend.
 His desperation for alcohol is a frequent butt of jokes on the show.
 Barney sobered up in the episode "Days of Wine and D'oh'ses", which was co-written by Castellaneta, and stayed sober for several seasons.
 Barney was inspired by the cartoon character Barney Rubble from "The Flintstones" and by several barflies from other television programs.
 In 2004, Castellaneta won an Emmy Award for voicing various characters, including Barney.