Question: Boomerang specializes in classic and contemporary animated programming, including an American animated cartoon franchise that was created for Hanna-Barbera Productions by writers Joe Ruby and who else?

full_context: Document 1: Boomerang (Southeast Asia): Boomerang is a cable and satellite television channel owned by Turner Broadcasting System, a unit of Time Warner and its main flagship channel of Cartoon Network Asia. The Southeast Asian version of Boomerang was launched in September 2005 with a lineup very similar to that of the US version. It started previously as a programming block on Cartoon Network from 2001 to 2005 during weeknights. It uses the same voice overs from the Australian feed.
Document 2: List of What's New, Scooby-Doo? episodes: "What's New, Scooby-Doo?" is an American animated mystery-comedy series. The show was broadcast from September 14, 2002 to July 21, 2006 on Kids WB, a Saturday morning children's programming block on The WB Television Network. This is the ninth incarnation of the "Scooby-Doo" franchise, and features the main characters - Fred Jones, Daphne Blake, Velma Dinkley, Shaggy Rogers and Scooby-Doo - investigating appearances of supernatural creatures.
Document 3: Boomerang (Australia and New Zealand): Boomerang is a cable and satellite television channel owned by Turner Broadcasting System, a unit of Time Warner and its main flagship channel of Cartoon Network. The Australian version of Boomerang was launched on 14 March 2004 as part of the Foxtel Digital launch, with a line-up very similar to that of the US and UK version. Originally devoted to classic animation from studios such as Hanna-Barbera, the channel has since expanded to include more contemporary programming. This channel is available as a free trial in a subscription entertainment package on Fetch TV by some ISPs and was added 26 January 2017. The free trial for Boomerang and Cartoon Network ended 27 February 2017. After the free trial ended, Boomerang relaunched on Fetch TV, removing the free trial status.
Document 4: A Pup Named Scooby-Doo: A Pup Named Scooby-Doo is an American animated mystery comedy series produced by Hanna-Barbera. It is the eighth incarnation of the studio's "Scooby-Doo" franchise, and depicts juvenile versions of the title character and his human companions as they solve mysteries, similarly to the original "Scooby-Doo, Where Are You!" television series. The series was developed by Tom Ruegger and premiered on September 10, 1988, airing for four seasons on ABC as well as during the syndicated block "The Funtastic World of Hanna-Barbera" until August 17, 1991. Ruegger, along with most of Hanna-Barbera's production staff, departed from the studio after the first season.
Document 5: Scooby-Doo! Mystery Incorporated: Scooby-Doo! Mystery Incorporated (also known as Mystery Incorporated or Scooby-Doo! Mystery, Inc.) is an American animated mystery comedy-drama series; the series serves as the eleventh incarnation of the "Scooby-Doo" media franchise created by Hanna-Barbera, as well as the first that was not originally run on Saturday mornings. The series is produced by Warner Bros. Animation and Cartoon Network UK and premiered in the United States on Cartoon Network on April 5, 2010, with the next twelve episodes continuing, and the first episode re-airing, on July 12, 2010. The series concluded on April 5, 2013 after two seasons and fifty-two episodes.
Document 6: Cartoon Network: Cartoon Network is an American basic cable and satellite television channel that is owned by The Cartoon Network, Inc., a subsidiary of Turner Broadcasting System, itself being a subsidiary of Time Warner. It was founded by Betty Cohen and launched on October 1, 1992.
Document 7: Scooby-Doo, Where Are You!: Scooby-Doo, Where Are You! is an American animated mystery comedy television series produced by Hanna-Barbera. Produced for CBS, the series premiered as part of the network's Saturday morning schedule on September 13, 1969, and aired for two seasons until October 31, 1970. In 1978, a selection of episodes from the later series "Scooby's All-Stars" and "The Scooby-Doo Show" were aired on ABC under the "Scooby-Doo, Where Are You!" name and, as such, is sometimes marketed as its third season.
Document 8: List of Scooby-Doo characters: This is a list of "Scooby-Doo" characters. Scooby-Doo is an American animated franchise based around several animated television series and animated, as well as live action, movies. There are five main characters in the franchise: Scooby-Doo Shaggy Rogers, Fred Jones, Velma Dinkley, and Daphne Blake—known as "Mystery Incorporated". There are also several recurring characters throughout the franchise, including their parents, friends, allies, and enemies.
Document 9: Scooby-Doo (character): Scoobert "Scooby" Doo is the eponymous character and protagonist of the animated television franchise of the same name created in 1969 by the American animation company Hanna-Barbera. Scooby-Doo is a male Great Dane and lifelong companion of amateur detective Shaggy Rogers, with whom he shares many personality traits. Named after a nonsense vocal line in Frank Sinatra's hit song "Strangers in the Night", he features a mix of both canine and human behaviors (reminiscent of other funny animals in the Golden age of American animation), treated by his friends more or less as an equal while speaking in a famous (and much parodied) speech impediment. His catchphrase is "Scooby-Dooby-Doo!"
Document 10: List of Warner Bros. Television programs: This is a list of television series produced, distributed or owned by Warner Bros. Television, a subsidiary of Time Warner. This list also includes shows produced or distributed by Warner Bros. Animation, Warner Horizon Television, Lorimar Television, Telepictures, Castle Rock Entertainment, New Line Television, HBO, Turner Broadcasting System, Adult Swim, CNN and Cartoon Network.
Document 11: Boomerang (TV channel): Boomerang is an American digital cable and satellite television network that is owned by The Cartoon Network, Inc., a subsidiary of Turner Broadcasting System, itself being a subsidiary of Time Warner. It specializes in classic and contemporary animated programming from Time Warner's archival history, including "Looney Tunes", "Tom and Jerry", and "Scooby-Doo", along with repeats of in-production series on its sister and another Turner-owned channel, Cartoon Network including "Sonic Boom" and "The Powerpuff Girls".
Document 12: Toonami (India): Toonami is a 24-hour channel in India and a former block on India's first kids channel, Cartoon Network. Turner International India, which are both subsidiaries of Time Warner, the owner of India's leading kids' entertainment channels, Cartoon Network and Pogo, launched Toonami on 26 February 2015. On July 1, 2017, Toonami India was re-purposed as a classic animation channel, all action-animation programming was removed, Toonami now airs shows from the Cartoon Network Studios, Hanna-Barbera and Warner Bros. Animation libraries.
Document 13: Boomerang (Thailand): Boomerang Thailand is a Thai version of the original American Boomerang television channel in the United States, and was a cable and satellite television channel created by Turner Broadcasting System Asia Pacific, a unit of Time Warner. Boomerang is a channel which primarily shows animated programming. It was launched on 14 August 2013.
Document 14: What's New, Scooby-Doo?: What's New, Scooby-Doo? is an American animated sitcom mystery comedy series produced by Warner Bros. Animation for The WB television network; it is the ninth incarnation of the "Scooby-Doo" franchise that began with Hanna-Barbera's "Scooby-Doo, Where Are You!" and the first of such since the previous incarnation, "A Pup Named Scooby-Doo", ended in 1991. The series revives the format of "Scooby-Doo, Where Are You!", in which the title character and his companions, Fred Jones; Daphne Blake; Velma Dinkley and Shaggy Rogers, travel to varying locations solving mysteries; this format is modernized for "What's New, Scooby-Doo?", in which the characters utilize technology that did not exist at the time "Scooby-Doo, Where Are You!" first aired. It is the first television series in the franchise in which Frank Welker, Grey DeLisle and Mindy Cohn respectively portrayed the voices of Scooby-Doo, Daphne and Velma; and the final one in which Casey Kasem portrayed Shaggy, having originally quit the role following a dispute regarding the portrayal of the character.
Document 15: Scooby-Doo: Scooby-Doo is an American animated cartoon franchise, comprising several animated television series produced from 1969 to the present day. The original series, "Scooby-Doo, Where Are You!", was created for Hanna-Barbera Productions by writers Joe Ruby and Ken Spears in 1969. This Saturday-morning cartoon series featured four teenagers—Fred Jones, Daphne Blake, Velma Dinkley, and Norville "Shaggy" Rogers—and their talking brown Great Dane named Scooby-Doo, who solve mysteries involving supposedly supernatural creatures through a series of antics and missteps.
ground_truth: Ken Spears