Question: Which was published for longer, GameFan or Comics Buyer's Guide?

Context paragraphs:
Lady Blackhawk: Lady Blackhawk is an alias used by three fictional comic book characters appearing in American comic books.  The first, Zinda Blake, was introduced in a DC Comics publication in 1959 (Blackhawk #133); the second, Natalie Reed, appeared in a DC Comics title in 1988.  The third, as-yet-unnamed, Lady Blackhawk debuted in a DC Comics title in 2011.  All three characters were aviatrices and soldiers.  Lady Blackhawk was ranked 48th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list, although this list does not specify which version of the character was chosen.

Goethe Awards: The Goethe Award (named after J. W. Goethe), later known as the Comic Fan Art Award, was an American series of comic book fan awards, first presented in 1971 for comics published in 1970.  The award originated with the fanzine "Newfangles" and then shared close ties with "The Buyer's Guide to Comics Fandom".  The Comic Art Convention (CAC) twice hosted the presentation of the awards, at the 1972 and 1974 CACs.  The format and balloting of the Comics Buyer's Guide Fan Awards, presented by the "Comics Buyer's Guide" from 1982–2008, were in many ways derived from the Goethe Award/Comic Fan Art Award.

Starfire (Teen Titans): Starfire (Koriand'r) is a fictional superheroine appearing in books published by DC Comics.  She debuted in a preview story inserted within "DC Comics Presents" #26 (October 1980) and was created by Marv Wolfman and George Pérez.  In 2013, Starfire placed 21st on IGN's Top 25 Heroes of DC Comics.  She was also ranked 20th in "Comics Buyer's Guide"' s "hot and sexy Women in Comics" list.  The name "Starfire" first appeared in a DC Comic in the story "The Answer Man of Space," in Mystery In Space #73, February, 1962, written by Gardner F. Fox.

Lady Luck (comics): Lady Luck is a fictional, American comic-strip and comic book crime fighter and adventuress created and designed in 1940 by Will Eisner with artist Chuck Mazoujian.  Through 1946, she starred in a namesake, four-page weekly feature published in a Sunday-newspaper comic-book insert colloquially called "The Spirit Section".  The feature, which ran through November 3, 1946, with one months-long interruption, was reprinted in comic books published by Quality Comics.  A revamped version of the character debuted in 2013 in DC Comics's "Phantom Stranger" comic.  Lady Luck was ranked 84th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list.

GameFan: GameFan (originally known as Diehard GameFan) was a publication started by Tim Lindquist and Dave Halverson in September 1992 that provided coverage of domestic and import video games.  It was notable for its extensive use of game screenshots in page design because of the lack of good screen shots in other U.S. publications at the time.  The original magazine ceased publishing in December 2000.  On April 2010, Halverson relaunched GameFan as a hybrid video game/film magazine.  However, this relaunch was short-lived and suffered from many internal conflicts, advertising revenue being the main one.

Betty Cooper: Elizabeth "Betty'" Cooper is one of the main characters appearing in American comic books published by Archie Comics.  The character was created by Bob Montana and John L. Goldwater, and first appeared in Pep Comics #22 (cover-dated Dec. 1941), on the first page of the first "Archie" story, serving as a love interest to Archie Andrews.  Betty's infatuation with Archie making her strive for his attention using whatever means possible has been one of the longest running themes in the comics.  In 2011, Betty Cooper was ranked 66th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list.

Venus (Marvel Comics): Venus is the name of two fictional characters appearing in American comic books published by Marvel Comics.  The first, originally based on the goddess Venus (Aphrodite) from Roman and Greek mythology, was retconned to actually be a siren that only resembles the goddess.  The second is stated to be the true goddess, who now wishes only to be referred to by her Greek name, Aphrodite.  The similarities between the two characters are a point of conflict in the comics.  Venus was ranked eighth in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list, although this list does not specify which version of the character was chosen.

Blonde Phantom: The Blonde Phantom (Louise Grant Mason) is a fictional masked crime fighter appearing in American comic books published by Marvel Comics.  Created for Marvel predecessor Timely Comics, she first appeared in "All Select Comics" #11 (cover-dated Fall 1946), during the 1940s period fans and historians call the Golden Age of Comic Books.  The character was ranked 98th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list.

Black Cat (Harvey Comics): The Black Cat is a comic book adventure heroine published by Harvey Comics from 1941 to 1951.  Harvey also published reprints of the character in both the mid-1950s and the early 1960s.  The character's creation is claimed by the Harvey family to have originated with publisher Alfred Harvey, but there is no corroborating evidence for this.  The Black Cat debuted in "Pocket Comics" #1 (Aug. 1941), an experimental digest-sized comic book published by Harvey., and was illustrated by artist Al Gabrielle.  The character was ranked 41st in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list.

Comics Buyer's Guide: Comics Buyer's Guide (CBG; ISSN 0745-4570  ), established in 1971, was the longest-running English-language periodical reporting on the American comic book industry.  It awarded its annual Comics Buyer's Guide Fan Awards from 1982–2008, with the first awards announced in #500 (June 17, 1983).  The publication ceased with the March 2013 issue.  The magazine was headquartered in Iola, Wisconsin.

Supporting paragraphs: GameFan Comics Buyer's Guide
Answer: Comics Buyer's Guide