Question: Beth Greene is a fictional character from the American horror drama television series "The Walking Dead", younger, half-sister of Maggie, the character has no counterpart in the comic book series on which the show is based, The Walking Dead is an ongoing black-and-white comic book series created by writer Robert Kirkman and which artist?

Context paragraphs:
Carl Grimes: Carl Grimes is a fictional character from the comic book series "The Walking Dead" and is portrayed by Chandler Riggs in the American television series of the same name, which airs on AMC in the United States.  The character was created by writer Robert Kirkman and artist Tony Moore, and debuted in "The Walking Dead" #2 in 2003.  In both forms of media, Carl is the son of primary protagonist Rick Grimes, and his wife Lori Grimes, and is one of the longest-surviving characters and one of the few original Atlanta survivors still alive.

Lori Grimes: Lori Grimes is a fictional character from the comic book series "The Walking Dead" and is portrayed by Sarah Wayne Callies in the American television series of the same name in the show's first three seasons.  Created by writer Robert Kirkman and artist Tony Moore, the character made her debut in "The Walking Dead" #2 in 2003.  In both forms of media, she is the wife of protagonist Rick Grimes and mother of Carl, and serves as the emotional core of the group.  The character escaped the zombie apocalypse with Carl and Rick's partner Shane Walsh, and, believing her husband to be dead, started a relationship with Shane.

Andrea (The Walking Dead): Andrea Harrison is a fictional character from the comic book series "The Walking Dead" and is portrayed by Laurie Holden in the American television series of the same name.  The character was created by writer Robert Kirkman and artist Tony Moore, and debuted in "The Walking Dead "#2 in 2003.  In both mediums, she and her younger sister are among a group of survivors near Atlanta, Georgia.

Fear the Walking Dead: Fear the Walking Dead is an American post-apocalyptic horror drama television series created by Robert Kirkman and Dave Erickson, that premiered on AMC on August 23, 2015.  It is a companion series and prequel to "The Walking Dead", which is based on the comic book series of the same name by Robert Kirkman, Tony Moore, and Charlie Adlard.  The first season consists of six episodes.  The second season, comprising 15 episodes, premiered on April 10, 2016.  On April 15, 2016, AMC announced the series had been renewed for a 16-episode third season, which premiered on June 4, 2017.  In April 2017, AMC renewed the series for a fourth season and announced that Andrew Chambliss and Ian Goldberg would replace the departing Dave Erickson as showrunners.

Rick Grimes: Rick Grimes is a fictional character and the protagonist in the comic book series "The Walking Dead" and the television series of the same name, portrayed by Andrew Lincoln.  Created by writer Robert Kirkman and artist Tony Moore, the character made his debut in "The Walking Dead" #1 in 2003.  Rick Grimes is a small town sheriff's deputy who has a son, Carl, with wife Lori.  He awakens from a coma after a life-threatening gun shot wound to find the world overrun by zombies, to which they refer as "walkers".

List of Fear the Walking Dead episodes: "Fear the Walking Dead" is an American horror drama television series created by Robert Kirkman and Dave Erickson.  It is a companion series to "The Walking Dead", which is based on the comic book series of the same name by Robert Kirkman, Tony Moore, and Charlie Adlard.  It premiered on the cable network AMC on August 23, 2015.  It was renewed for a 15-episode second season which premiered on April 10, 2016.

Sasha Williams (The Walking Dead): Sasha Williams is a fictional character (portrayed by Sonequa Martin-Green) from "The Walking Dead", an AMC television horror drama series.  The character was created by Robert Kirkman, the creator of "The Walking Dead" comic book series which the show is based on and in which Sasha has no counterpart.

Jessie Anderson (The Walking Dead): Jessie Anderson is a fictional character in the comic book series "The Walking Dead" and is portrayed by Alexandra Breckenridge in the television series of the same name.  She is a resident in the Alexandria Safe-Zone.  Created by writer Robert Kirkman and artist Charlie Adlard, the character made her debut in "The Walking Dead" #72 in 2010.  In both media Jessie is living in an unhappy, abusive marriage with her husband Pete, despite the zombie outbreak, and her son Ron (and Sam in the TV series) in the Alexandria Safe-Zone.

Beth Greene: Beth Greene is a fictional character from the American horror drama television series "The Walking Dead", created by season two showrunner Glen Mazzara, and portrayed by Emily Kinney.  Daughter of veterinarian and farmer Hershel Greene, and younger, half-sister of Maggie, the character has no counterpart in the comic book series on which the show is based.

The Walking Dead (comic book): The Walking Dead is an ongoing black-and-white comic book series created by writer Robert Kirkman and artist Tony Moore.  It focuses on Rick Grimes, a deputy who is shot in the line of duty and awakens from a coma in the zombie apocalypse that placed Georgia under quarantine.  He finds his wife and son, and meets other survivors, gradually taking on the role of leader among a group and later a community as Rick and his group try to survive the zombie apocalypse.

Supporting paragraphs: Beth Greene The Walking Dead (comic book)
Answer: Tony Moore