Doctor Who Live: The Next Doctor was a special live show made to promote the revelation of the Twelfth Doctor in "Doctor Who".
 It was broadcast live on 4 August 2013 on BBC One, BBC America, Space and ABC1 in the United Kingdom, United States, Canada and Australia, respectively.
 The special was hosted by Zoë Ball, and featured appearances from many "Doctor Who" stars, including Matt Smith, Peter Davison, Colin Baker and Bernard Cribbins
Doctor Puppet (also known as The Doctor Puppet) is a US/UK stop-motion science fiction animation fan series that celebrates the top selling BBC TV series, "Doctor Who" and its rich history through hand-crafted puppets and original stories.
 Created by Alisa Stern in 2012 in her New York apartment, Doctor Puppet consists of a Tumblr blog, an eight episode series of short films featuring the likenesses of the Eleventh Doctor (Matt Smith) and other Doctors and characters from the BBC TV series, other short films with the Twelfth Doctor (Peter Capaldi) and Clara Oswald (Jenna Coleman), three Christmas specials, music videos, behind the scenes documentaries and Google Hangouts with the creative team.
 The series is composed and narrated by UK film score composer Scott Ampleford.
"The Time of the Doctor" is an episode of the British science fiction television programme "Doctor Who", written by Steven Moffat and directed by Jamie Payne, and was broadcast as the ninth "Doctor Who" Christmas special on 25 December 2013 on BBC One.
 It features the final regular appearance of Matt Smith as the Eleventh Doctor and the first regular appearance of Peter Capaldi as the Twelfth Doctor following his brief cameo in "The Day of the Doctor".
 The episode also features Jenna Coleman as the Doctor's companion Clara Oswald, plus several enemies of the Doctor, including the Cybermen, Silence, Daleks, and Weeping Angels.
Big Bang Generation is a BBC Books original novel written by Gary Russell and based on the long-running British science fiction television series "Doctor Who".
 It features the Twelfth Doctor and Bernice Summerfield, making her first appearance in the New Series Adventures along with the Doctor from the revived series.
 The book was released on 10 September 2015 as a part of "The Glamour Chronicles", alongside "Royal Blood" and "Deep Time".
Matthew Richard Lucas (born 5 March 1974) is an English comedian, screenwriter, actor and singer, best known for his work with David Walliams in the television show "Little Britain", as well as for his portrayals of the scorekeeping baby Georgie Dawes in the comedy panel game "Shooting Stars" and both Tweedle Dum and Tweedle Dee in "Alice in Wonderland" and its sequel, "Alice Through the Looking Glass".
The Twelfth Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television programme "Doctor Who".
 He is portrayed by Scottish actor Peter Capaldi.
 Within the series' narrative, the Doctor is a time travelling, humanoid alien from a race known as the Time Lords.
 When the Doctor is critically injured, he can regenerate his body, and in doing so gain a new physical appearance, and with it a distinct new personality; this plot mechanism has allowed the Doctor to be portrayed by a series of actors over the decades since the programme's inception in 1963.
 Capaldi's portrayal of the Doctor is a spiky, brusque, contemplative, and pragmatic character who conceals his emotions in the course of making tough and sometimes ruthless decisions.
"The Husbands of River Song" is an episode of the British science fiction television series "Doctor Who".
 First broadcast on BBC One on 25 December 2015, it is the eleventh Christmas special since the show's revival in 2005.
 It is written by Steven Moffat and directed by Douglas Mackinnon.
 The episode marks the return of Alex Kingston as River Song, making her first appearance alongside Peter Capaldi's Twelfth Doctor.
 This also marks the first appearance of Nardole, who would become a companion starting from the next episode.
Nardole is a fictional character created by Steven Moffat and portrayed by Matt Lucas in the long-running British science fiction television series "Doctor Who".
 He is a companion of the Twelfth Doctor, the current incarnation of the alien time traveller known as The Doctor, portrayed by Peter Capaldi.
 He initially appeared in the 2015 Christmas special "The Husbands of River Song" as a companion of River Song, before returning in the following episode "The Return of Doctor Mysterio", having become the Doctor's companion in the meantime.
The Wand Company is a United Kingdom company that designs and manufactures universal remote control prop replicas in varying designs.
 The company was featured on "Dragons' Den" in 2010, demonstrating its "Kymera Magic Wand Universal Remote Control", and accepted an offer of financial backing of £200,000.
 Since then, The Wand Company has created additional Universal remote control products in the form of the Tenth Doctor's Sonic Screwdriver, the Eleventh Doctor's Sonic Screwdriver, the Twelfth Doctor's extending Sonic Screwdriver and two Star Trek replicas: a "" phaser released in November 2014 and a "" Bluetooth communicator, which was released in June 2016.
Rupert "Danny" Pink is a fictional character created by Steven Moffat and portrayed by Samuel Anderson in the long-running British science fiction television series "Doctor Who".
 He is a supporting character in the eighth series of the program, first appearing in the second episode, "Into the Dalek".
 He appears alongside Peter Capaldi's Twelfth Doctor and his storylines stem primarily from being the colleague, and later boyfriend, of companion Clara Oswald, portrayed by Jenna Coleman.
 He appears in every episode of Series 8 except for the series premiere "Deep Breath" and the third episode "Robot of Sherwood".

Question: What English comedian, screenwriter, actor and singer is a companion of the Twelfth Doctor in the "Doctor Who" series?
Answer: Matt Lucas