Question: Tom Manning is a character from the universe created by what writer-artist?

Context paragraphs:
Hellboy: Hellboy is a fictional superhero created by writer-artist Mike Mignola.  The character first appeared in "San Diego Comic-Con Comics" #2 (August 1993), and has since appeared in various eponymous miniseries, one-shots and intercompany crossovers.  The character has been adapted into two live-action feature films in 2004 and that starred Ron Perlman in the title role, and two straight-to-DVD animated films, as well as three video games – "", "", and recently as a to-be-released playable character in "Injustice 2".

Leto II Atreides: Leto II Atreides ( ) is a fictional character from the "Dune" universe created by Frank Herbert.  Born at the end of "Dune Messiah" (1969), Leto is a central character in "Children of Dune" (1976) and is the title character of "God Emperor of Dune" (1981).  The character is brought back as a ghola in the Brian Herbert/Kevin J. Anderson sequels which conclude the original series, "Hunters of Dune" (2006) and "Sandworms of Dune" (2007).  Leto also appears as a child in the prequel "The Winds of Dune" (2009).

Captain Rex: Captain Rex, designation number CT-7567, is a fictional character in the "Star Wars" science fiction universe created by George Lucas and a main character of the animated "" 2008 film and the related .  He is a clone trooper of the Grand Army of the Republic, cloned from bounty hunter Jango Fett, and serves the Galactic Republic under the command of Jedi Anakin Skywalker and Ahsoka Tano.  Since his introduction in "The Clone Wars", he has also appeared in the 2014 "Star Wars Rebels" television series and in comics, novels, and video games of the "Star Wars Legends" expanded universe.  Like all clone troopers in "The Clone Wars" and "Rebels", Rex is voiced by Dee Bradley Baker.

United Freedom Front: The United Freedom Front (UFF) was a small American Marxist organization active in the 1970s and 1980s.  It was originally called the Sam Melville/Jonathan Jackson Unit, and its members became known as the Ohio 7 when they were brought to trial.  Between 1975 and 1984 the UFF carried out at least 20 bombings and nine bank robberies in the northeastern United States, targeting corporate buildings, courthouses, and military facilities.  Brent L. Smith describes them as "undoubtedly the most successful of the leftist terrorists of the 1970s and 1980s."  The group's members were eventually apprehended and convicted of conspiracy, murder, attempted murder, and other charges.  Two, Tom Manning and Jaan Laaman, remain incarcerated today.

Duncan Idaho: Duncan Idaho is a fictional character in the "Dune" universe created by Frank Herbert.  Introduced in the first novel of the series, 1965's "Dune", the character became a breakout character as the readers liked him and was revived by Herbert in 1969's "Dune Messiah".  He is the only character to feature in all six of Herbert's original "Dune" novels.

Poet Anderson: The Dream Walker: Poet Anderson: The Dream Walker is a 2014 American–Portuguese animated short film directed by Tom DeLonge, Edgar Martins, and Sergio Martins.  The film focuses on the title character Poet, who discovers his guardian angel and destiny inside the Dream World, an alternate universe created by humankind's shared unconscious thoughts.  The film features music from DeLonge's rock group Angels & Airwaves.

Anaconda Road massacre: On April 21, 1920, during a miners strike in Butte, Montana's copper mines, company guards fired on striking miners picketing near a mine of the Anaconda Copper Mining Company, killing Tom Manning and injuring sixteen others, an event known as the Anaconda Road massacre.  His death went unpunished.

Tom Manning (comics): Tom Manning is a fictional character from Dark Horse Comics' "Hellboy" universe.  He is director of the Bureau of Paranormal Research and Defense.

Isaac's Universe: Isaac's Universe is a fictional universe created by Isaac Asimov for other science fiction writers to use as a setting.  "Isaac's Universe: Volume One: The Diplomacy Guild", the initial collection of science fiction short stories, was edited by Martin H. Greenberg and published in 1990 by Avon Books.  It introduces the collaborative universe created by Asimov which eventually resulted in five volumes: three short story collections and two novels.

Into the Universe with Stephen Hawking: Into the Universe with Stephen Hawking is a 2010 science documentary television mini-series written by British physicist Stephen Hawking.  The series was created for Discovery Channel by Darlow Smithson Productions and features computer generated imagery of the universe created by Red Vision.  The series premiered on 25 April 2010 in the United States and started on 9 May 2010 in the United Kingdom with a modified title, Stephen Hawking's Universe (not to be confused with the 1997 PBS series by the same name).  In the series, Hawking appears on camera but, for the sections where there is voice-over, Benedict Cumberbatch, who played Hawking in a 2004 TV film about the scientist, performs the narration as Hawking himself.

Supporting paragraphs: Tom Manning (comics) Hellboy
Answer: Mike Mignola