What writer and sketch performer for many years on "Late Night with Conan O'Brien" had a series that aired consecutively each night between December 7, 2015 and December 11, 2015?
Jon Glaser
Jon Glaser
Jonathan Daniel "Jon" Glaser (born June 20, 1968) is an American actor, comedian, writer, producer, and director.
 He is best known for his work as a writer and sketch performer for many years on "Late Night with Conan O'Brien", creating and starring in the Adult Swim series "Delocated" and "Neon Joe, Werewolf Hunter" as well as the truTV series "Jon Glaser Loves Gear".
Neon Joe, Werewolf Hunter
Neon Joe, Werewolf Hunter is an American television series that originally ran as a five episode mini-series on Adult Swim, created by and starring Jon Glaser.
 The series originally aired consecutively each night between December 7, 2015 and December 11, 2015.
 Produced by PFFR, the same production company used for Glaser's other projects "Delocated" and "Jon Glaser Loves Gear".
 The first season was filmed in and around Palisades, New York.
James Wormworth
James Wormworth is an American drummer and percussionist.
 Wormworth is a member of Jimmy Vivino and the Basic Cable Band on the TBS late night comedy program, "Conan".
 Wormworth often appeared as house drummer during the band's run as The Max Weinberg 7 on "Late Night with Conan O'Brien."
 Wormworth joined the band as a full-time member when O'Brien became the host of "The Tonight Show with Conan O'Brien". List of Conan episodes
"Conan" is a current television program on TBS hosted by Conan O'Brien.
 O'Brien previously served as host of "Late Night with Conan O'Brien" for sixteen years, and as host of "The Tonight Show with Conan O'Brien" from June 1, 2009 until January 22, 2010 when the show was canceled amidst the 2010 "Tonight Show" conflict.
 The conflict resulted in the former host, Jay Leno, being reinstated following the 2010 Winter Olympics on NBC, and O'Brien touring the country on his Legally Prohibited from Being Funny on Television Tour. Margot Leitman
Margot Leitman is an American comedic storyteller, humor writer, and teacher.
 Leitman is originally from Matawan, New Jersey.
 She appeared as a regular sketch performer on "Late Night with Conan O’Brien", where she acted as the character “Gyno-blast”.
 Margot currently teaches storytelling at the Upright Citizens Brigade Theatre where she hosts the long running sex-themed storytelling show, Stripped Stories.
 She also hosts and produces the storytelling show at Upright Citizen's Brigade, Origin Story.
 https://sunset.ucbtheatre.com/performance/41255 She has a spouse, Dan Curry and son. Brian Stack
Brian Stack (born August 18, 1964) is an American actor, comedian, and writer best known for his sketch comedy work on all three Conan O'Brien late-night talk shows, previously working on "Late Night with Conan O'Brien" and "The Tonight Show with Conan O'Brien", and on O'Brien's current talk show, "Conan" on TBS.
 Stack left "Conan" in April 2015 to join the writing staff of the CBS series "The Late Show with Stephen Colbert". Brian McCann (actor)
Brian McCann (born August 16, 1965) is an American Emmy and WGA award-winning writer, actor, and comedian best known for his sketch comedy work on the late night talk show, "Late Night with Conan O'Brien", and more recently on "The Tonight Show with Conan O'Brien" and "Conan". Late Night with Conan O'Brien
Late Night with Conan O'Brien is an American late-night talk show hosted by Conan O'Brien that aired 2,725 episodes on NBC between 1993 and 2009.
 The show featured varied comedic material, celebrity interviews, and musical and comedy performances.
 "Late Night" aired weeknights at 12:37 am Eastern/11:37 pm Central and 12:37 am Mountain in the United States.
 From 1993 until 2000, Andy Richter served as O'Brien's sidekick; following his departure, O'Brien was the show's sole featured performer.
 The show's house musical act was The Max Weinberg 7, led by E Street Band drummer Max Weinberg. Late Night (TV series)
Late Night is an American late-night talk and variety show airing on NBC since 1982.
 Four men have hosted "Late Night": David Letterman (1982–93), Conan O'Brien (1993–2009), Jimmy Fallon (2009–14), and Seth Meyers (2014–present).
 Each iteration of the show was built around its host, and maintained distinct identities aside from the title.
 The longest-serving host to date was O'Brien, who hosted "Late Night with Conan O'Brien" for 16 years, from September 1993 to February 2009. Kevin Dorff
Kevin Dorff (born August 2, 1966) is an American actor and comedian known for his work as a writer and sketch performer on "Late Night with Conan O'Brien" and "The Tonight Show with Conan O'Brien".
 Dorff co-starred as "Mike the Federal Agent" on the first season of the Adult Swim series "Delocated" with his former "Late Night" colleague Jon Glaser.
 His character was written off the show at the start of season two, as Dorff was in Los Angeles writing for "The Tonight Show" at the time, while "Delocated" is filmed in New York City.
 Dorff returned to work on "Delocated" as a writer in season three.
 He has recently been a writer for "Review" and has made one appearance on the show.