Question: From which city did the Cabaret Cartoon artist get his Mancunian accent from?

Context paragraphs:
Rick's Cabaret: Rick's Cabaret International, Inc. is an American operator of strip clubs, nightclubs, and adult entertainment websites founded in 1983.  Based in Houston, Texas, Rick's (under the RCI Hospitality Holdings aegis) operates clubs under the names Rick's Cabaret, Jaguars Club, Club Onyx, Tootsie's Cabaret, Temptations Cabaret, Downtown Cabaret, Cabaret North, Cabaret East, Silver City, Vivid Cabaret, and XTC Cabaret.  Nightclub & restaurant brands include Vee Lounge, Bombshells (an emerging breastaurant chain), and Ricky Bobby Sports Bar & Saloon.  It also operates the websites NaughtyBids.com, an auction site; CouplesTouch.com, a dating site for swingers; and pornography website xxxpassword.com.  The company's Media Group publishes the strip club trade publications "Exotic Dancer" and "Club Bulletin", and operates 25 industry websites.

William Hanna: William Denby "Bill" Hanna (July 14, 1910 – March 22, 2001) was an American animator, director, producer, voice actor, and cartoon artist, whose film and television cartoon characters entertained millions of people for much of the 20th century.

William Hanna (disambiguation): William Hanna (1910–2001) was an American animator, director, producer, television director, television producer, and cartoon artist.

Joseph Barbera: Joseph Roland "Joe" Barbera ( or ; ] ; March 24, 1911 – December 18, 2006) was an American animator, director, producer, storyboard artist, and cartoon artist, whose film and television cartoon characters entertained millions of fans worldwide for much of the 20th century.

Karl Munro: Karl Munro is a fictional character from the British ITV soap opera, "Coronation Street", played by John Michie.  Michie's casting was announced in April 2011.  He signed an initial one-year contract and began filming his scenes in May.  Upon joining the cast, Michie was told that producers would initially "bed [him] in", before increasing his involvement in the show in 2012.  Michie is from Scotland, but because "Coronation Street" is set in Manchester, he uses a Mancunian accent for the role.  Karl was introduced along with his girlfriend, Stella Price (Michelle Collins) and her daughter, Eva (Catherine Tyldesley).  Karl made his first appearance in the episode broadcast on 17 June 2011.  On 30 April 2013, it was announced that Michie would be leaving "Coronation Street".  Karl departed during the episode broadcast on 13 September 2013.

Brian Hau: Brian Hau (born 15 July 1982, Hong Kong) is a singer-songwriter, graphic designer, columnist, book author, and occasional cartoon artist based in Hong Kong.  Hau's quirky style has earned him growing recognition in the singer-songwriter scene in Hong Kong.

New York accent: The sound system of New York City English is popularly known as a New York accent.  The New York metropolitan accent is one of the most recognizable accents of the United States, largely due to its popular stereotypes and portrayal in radio, film, and television.  The New York accent is confined to New York City proper, western Long Island, and northeastern New Jersey, directly across the Hudson River from Manhattan, though some of its features have diffused to many other areas.  The New York accent is not spoken in the rest of New York State, whose regional accents fall under the Hudson Valley and Inland Northern dialects.  The New York accent is predominantly characterized by the following sounds and speech patterns:

Cabaret Cartoons: Cabaret Cartoons was a live light entertainment series broadcast by BBC Television 193639 and 1946.  It was a spin-off from the series "Cabaret".  Its distinctive feature was that English artist Harry Rutherford (190385) drew cartoon sketches of the performers during the broadcast.  Rutherford did not speak: producer Cecil Madden decreed that his Mancunian accent was inappropriate to be heard on the BBC.

Manchester dialect: Mancunian (or Manc) is a dialect, and the name given to the people of Manchester, in North West England, and its environs.

Sixto Valencia Burgos: Sixto Valencia Burgos (March 28, 1934 – April 23, 2015) was a Mexican cartoon artist based in Mexico City, best known for taking over the responsibility of drawing famed Mexican cartoon character Memín Pinguín.

Supporting paragraphs: Cabaret Cartoons Manchester dialect
Answer: Manchester, in North West England