Nick Spencer is a comic book writer.
 As a comic book writer, he is known for his creator-owned titles at Image Comics ("Morning Glories", "Thief of Thieves", "Bedlam", "The Fix"), his work at DC Comics ("Action Comics", "T.H.U.N.D.E.R. Agents"), and for his current work at Marvel Comics ("Secret Avengers", "Superior Foes of Spider-Man", "Avengers World," "Ant-Man").
Matthias Worch (born 1976) is a German video game designer and computer graphics artist.
 He started out creating custom Doom and Quake levels.
 Matthias entered the computer game industry in 1998 when he moved to Dallas, Texas to work on Ritual Entertainment's 3D First Person Shooter SiN.
 He has since contributed to various 3D action games.
 Matthias has spoken at the Game Developers Conference and the IGDA.
 Matthias is currently working at Hangar 13 on the upcoming game Mafia III.
Hangar 13 is an American video game developer founded on December 4, 2014, as a subsidiary of 2K Games.
 It is based in Novato, California, in the area of the former Hamilton Air Force Base, and has two studios in Brno and Prague, Czech Republic.
 Headed by comic book and video game writer Haden Blackman, the studio's debut title was "Mafia III", which was released on October 7, 2016.
Mafia III is an action-adventure video game developed by Hangar 13 and published by 2K Games for Microsoft Windows, PlayStation 4, Xbox One, and MacOS.
 It is the third installment in the "Mafia" series.
 Set in 1968 in the city of New Bordeaux, a fictional recreation of New Orleans, the story revolves around Lincoln Clay, an orphan and Vietnam veteran, who is on a quest to build a new crime organization to confront the Italian mob.
 The game was released on October 7, 2016, and received a mixed critical response.
 The MacOS version was released on May 11, 2017.
Dann Thomas (born Danette Maxx Couto January 30, 1952) is an American comic book writer and is the wife of comic book writer and editor Roy Thomas.
 She has at times collaborated with her husband on "All-Star Squadron", "Arak, Son of Thunder", the "Crimson Avenger" miniseries, and "Avengers West Coast".
Bryan Lee Johnson (born December 7, 1967) is an American comic book writer, podcaster, actor and television personality associated with filmmaker Kevin Smith and the View Askewniverse.
 He is best known by his local fame in New Jersey and appearances in Smith's New Jersey films as comic book fan Steve-Dave Pulasti.
 He was also the basis for the "Clerks" character Randal Graves.
 Through his friendship with Smith, he was often involved in his productions until Smith moved to Los Angeles.
 He wrote and directed one film, "Vulgar" (2000), for View Askew.
 He worked briefly at the Los Angeles branch of Smith's comic book store, Jay and Silent Bob's Secret Stash.
 He became co-host of the "Tell 'Em Steve-Dave!
" podcast with friend Walt Flanagan and Brian Quinn.
 He also has co-starred on the AMC reality series "Comic Book Men" since 2012.
Joe Madureira (often called Joe Mad, born December 1974), is a comic book writer/artist and game developer, best known for his work on Marvel Comics' "Uncanny X-Men" and his creator-owned comic book "Battle Chasers".
A comics artist (also comic book artist or graphic novel artist, comic book producer, comic book illustrator, comic book writer, and comic book author) is a person working within the comics medium on comic strips, comic books, or graphic novels.
 The term may refer to any number of artists who contribute to produce a work in the comics form, from those who oversee all aspects of the work to those who contribute only a part.
Infamous is a 2011 comic book series based on the video game of the same name published by DC Comics in association with Sucker Punch Productions (the developer of the game).
 The comic book will follow the adventure of superhero, Cole MacGrath, and takes place in between the events of "Infamous" and "Infamous 2".
 The comic primarily depicts Cole's escape from Empire City in the first game to New Marais in the second game.
 The comic features illustrations by Eric Nguyen as well as a cover art by Doug Mahnke with the story written by William Harms.
 The first issue of the six-part comic series was released in March 2011.
John Stanley (March 22, 1914 – November 11, 1993) was an American cartoonist and comic book writer, best known for writing Little Lulu comic book stories from 1945 to 1959.
 While mostly known for scripting, Stanley also drew many of his stories, including the earliest issues of "Little Lulu" and its "Tubby" spinoff series.
 His specialty was humorous stories, both with licensed characters and those of his own creation.
 His writing style has been described as employing "colorful, S. J. Perelman-ish language and a decidedly bizarre, macabre wit (reminiscent of writer Roald Dahl)", with storylines that "were cohesive and tightly constructed, with nary a loose thread in the plot".
 He has been compared to Carl Barks, and cartoonist Fred Hembeck has dubbed him "the most consistently funny cartoonist to work in the comic book medium".
 Captain Marvel co-creator C. C. Beck remarked, "The only comic books I ever read and enjoyed were "Little Lulu" and "Donald Duck"".

Question: Which comic book writer heads Hanger 13 the developer of the video game Mafia III?
Answer: Haden Blackman