Question: What type of accent does David Tennant use in "DuckTales"?
Context: The Wedding of Sarah Jane Smith is a two-part story of "The Sarah Jane Adventures".  It was first broadcast on BBC One on 29 and 30 October 2009.  It is the third serial of the third series.  It guest stars David Tennant as the Tenth Doctor, marking the first appearance of parent programme "Doctor Who"'s main character in a spin-off show.  Filmed after "The End of Time", the episode includes the final scenes David Tennant recorded during his tenure as the Doctor. The BBC Wildlife Specials are a series of nature documentary programmes commissioned by BBC Television.  The series premiered in 1995, and 22 specials have been produced to date, with most of the more recent ones consisting of multiple episodes.  The earlier programmes were produced in-house by the BBC's Natural History Unit, but the more recent "Spy in the ..." titles were made by the independent John Downer Productions.  The first 18 specials, through 2008, were narrated by David Attenborough.  "Polar Bear: Spy on the Ice" (2010), "Penguins: Spy in the Huddle" (2013) and "Dolphins: Spy in the Pod" (2014) were narrated by David Tennant. Clarissa Tennant, known as Clare Tennant, later Clare Tennyson, and Clare Beck) (1896-1960) was an English socialite, prominent in early 20th century high society in London.  She was the daughter of Edward Tennant, 1st Baron Glenconner and sister of Edward, Stephen and David Tennant.  Tennant was originally married to Adrian Bethell, then Lionel Tennyson, 3rd Baron Tennyson, and in later years, was the wife of James Montgomery Beck.  In her younger years she was often seen at the prestigious Ritz Hotel in London, dining with the likes of Cynthia Asquith, Osbert Sitwell, Gilbert Russell and Maud Nelke.  Mary Abbott describes her as a "notorious 'bolter'". The Gargoyle Club was a private members' club on the upper floors of 69 Dean Street, Soho, London (at the corner with Meard Street), founded in 1925 or 1928 (sources vary) by the aristocratic socialite David Tennant, the brother of Stephen Tennant and the war poet Edward Wyndham Tennant. The Exterminators is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who".  David Tennant plays the lead role of Galanar.  Tennant would later go on to star in the revived television series as the tenth incarnation of the Doctor. Scrooge McDuck is a fictional character created in 1947 by Carl Barks during his time as a work-for-hire for The Walt Disney Company.  Scrooge is an elderly Scottish anthropomorphic Pekin duck with a yellow-orange bill, legs, and feet.  He typically wears a red or blue frock coat, top hat, pince-nez glasses, and spats.  He is portrayed in animations as speaking with a Scottish accent. Mad to Be Normal is a 2017 British drama film directed by Robert Mullan and written by Robert Mullan and Tracy Moreton.  The film stars David Tennant, Elisabeth Moss, Gabriel Byrne, Michael Gambon, David Bamber, Olivia Poulet and Trevor White.  The film was released on 6 April 2017 by GSP Studios International. David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor and voice actor.  He is best known for his roles as the Tenth Doctor in the British television series "Doctor Who", Alec Hardy in "Broadchurch", Giacomo Casanova in the TV serial "Casanova", Kilgrave in "Jessica Jones", and Barty Crouch, Jr.  in the film "Harry Potter and the Goblet of Fire".  In addition to his appearances on screen, he has worked as a voice actor and in theatre, including Prince Hamlet in a critically acclaimed 2008 stage production of "Hamlet" and as the voice of Scrooge McDuck in the new "DuckTales" series starting in 2017.  In January 2015, Tennant received the National Television Award for Special Recognition. The Tenth Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television programme "Doctor Who", who is played by David Tennant in three series as well as nine specials.  As with previous incarnations of the Doctor, the character has also appeared in other "Doctor Who" spin-offs.  In the programme's narrative, the Doctor is a centuries-old Time Lord alien from the planet Gallifrey who travels in time in his TARDIS, frequently with companions.  When the Doctor is critically injured beyond medical repair, he can regenerate his body; in doing so, his physical appearance and personality change, and a new actor assumes the role.  Tennant's portrayal of the Doctor is of an outwardly charismatic and charming adventurer whose likable and easygoing attitude can quickly turn to righteous fury when provoked. Double Income, No Kids Yet is a British radio sitcom written by David Spicer and originally broadcast on BBC Radio 4 from June 2001 to November 2003.  There were three series of six episodes each starring David Tennant as Daniel and Elizabeth Carling as Lucy, a childless couple in a world of people with children.
Answer: Scottish accent