Question: Genndy Tartakovsky, is a Russian–American animator, director, storyboard artist, producer, and screenwriter, he's best known for creating which Cartoon Network animated television series, an American comic science fiction animated television series, it was the first of the network's. Cartoon Cartoons?
Context: Korgoth of Barbaria is a pilot episode for what was originally planned as an American animated television series created by Aaron Springer, a storyboard artist, writer and director for "Dexter's Laboratory", "The Grim Adventures of Billy & Mandy", "Samurai Jack", and "SpongeBob SquarePants", who previously created another failed pilot at Cartoon Network Studios called "Periwinkle Around the World", and is now the creator of "Billy Dilley's Super-Duper Subterranean Summer" on Disney XD.  Genndy Tartakovsky, creator of "Dexter's Laboratory" and "Samurai Jack", directed the animation for the pilot, and was not the only time he's worked on a pilot created by Springer, as Tartakovsky also produced and directed "Periwinkle Around the World". "Clarence" is an American animated television series created by Skyler Page for Cartoon Network.  Page, a former Cartoon Network storyboard artist for the series "Adventure Time" and storyboard revisionist for "Secret Mountain Fort Awesome", developed the series at Cartoon Network Studios in 2012 as part of their animated short development initiative.  The series revolves around a young boy named Clarence, who is optimistic about everything.  The network initially commissioned twelve 15-minute episodes, and aired the pilot following the 2014 "Hall of Game Awards" show on February 17, 2014. Aaron Springer (born September 5, 1973) is an American cartoon director and storyboard artist.  He is best known for his work on the Nickelodeon animated series "SpongeBob SquarePants".  Springer has collaborated with various animation veterans such as Genndy Tartakovsky, Paul Rudish, Rumen Petkov, Stephen Hillenburg and John Kricfalusi.  He created numerous pilots for Cartoon Network and Adult Swim that, although never made into full series, have developed cult followings. Springer's cartoons are unique for their inclusion of extended gags, anthropomorphism and off-model poses.  He is also the creator of the Disney XD original series "Billy Dilley's Super-Duper Subterranean Summer", where he voiced the main character Billy Dilley. Genndy Tartakovsky ( ; born Gennady Borisovich Tartakovsky, Russian: Геннадий Борисович Тартаковский ; January 17, 1970) is a Russian–American animator, director, storyboard artist, producer, and screenwriter.  He is best known for creating the Cartoon Network animated television series "Dexter's Laboratory", "Samurai Jack", and "." Alexander Robert "Alex" Hirsch (born June 18, 1985) is an American animator, storyboard artist, voice actor, and television producer.  He is best known as the creator of the Disney XD animated television series "Gravity Falls", where he voices some of the characters.  He has previously worked as a storyboard artist on the Cartoon Network series "The Marvelous Misadventures of Flapjack" and the Disney Channel series "Fish Hooks". Bryan D. Andrews is an American storyboard artist and writer known for his work in science fiction and superhero films. Along with Genndy Tartakovsky and Paul Rudish, he co-created the animated television series "Sym-Bionic Titan", which premiered on Cartoon Network on September 17, 2010.  After 20 episodes, however, it was canceled due to lack of merchandise connected to the series, with the final episode airing April 9, 2011.  Andrews had worked with Tartakovsky on previous projects, including "Samurai Jack" and "".  He also worked with Tartakovsky as a storyboard artist on "Iron Man 2", contributing to the climactic final action sequence.  Andrews garnered two Primetime Emmy Award wins for his story work on "Star Wars: Clone Wars" in 2004 and 2005.  He received another Primetime Emmy and nomination for his work as a storyboard artist and writer on the fourth season of "Samurai Jack".  In 2006, Andrews received his second Primetime Emmy nomination as a writer for the "My Life as a Teenage Robot" special "Escape from Cluster Prime". Dexter's Laboratory (commonly abbreviated as Dexter's Lab) is an American comic science fiction animated television series created by Genndy Tartakovsky for Cartoon Network, and the first of the network's Cartoon Cartoons.  The series follows Dexter, a boy-genius and inventor with a secret laboratory in the basement of his house, who constantly battles his sister Dee Dee in an attempt to keep her out of the lab.  He also engages in a bitter rivalry with his neighbor and fellow-genius Mandark.  The first two seasons contained additional segments: "Dial M for Monkey", which focuses on Dexter's pet lab-monkey/superhero, and "The Justice Friends", about a trio of superheroes who share an apartment. Rebecca Sugar (born July 9, 1987) is an American animator, director, screenwriter, producer, and songwriter.  She is best known for creating the Cartoon Network series "Steven Universe", which has made her the first woman to independently create a series for the network.  Sugar was formerly a writer and storyboard artist on the animated television series "Adventure Time"; her work on both series earned her four Primetime Emmy Award nominations. Star Wars: The Clone Wars is an American 3D CGI animated television series created by George Lucas and produced by Lucasfilm Animation with the division Lucasfilm Animation Singapore, Lucasfilm and CGCG Inc.  The series debuted on the US version of Cartoon Network on October 3, 2008.  It is set in the fictional "Star Wars" galaxy during the three years between the prequel films "" and "", the same time period as the previous 2D 2003 TV series "".  Each episode has a running time of 22 minutes to fill a half-hour time slot.  In 2007, "Star Wars" creator George Lucas stated "there will be at least 100 episodes produced [about five seasons]".  Dave Filoni is the supervising director of the series.  Genndy Tartakovsky, director of the first "Clone Wars" series, was not involved with the production, but character designer Kilian Plunkett referred to the character designs from the 2D series when designing the characters for the 3D series.  There is also an online comic, depicting story-snippets between the single episodes. "Dexter's Laboratory" is an American animated television series created by Genndy Tartakovsky for Cartoon Network.  Initially debuting on February 26, 1995, as a seven-minute "World Premiere Toons" pilot, it was expanded into a full series after gaining network approval.  The first season, which consists of 13 episodes divided into three segments each, premiered on TNT on March 24, 1996, and TBS on April 14, 1996 and later Cartoon Network on April 28.  A second season of 39 episodes followed in 1997.  In this season, Allison Moore, the voice actor for Dee Dee, was replaced by Kathryn Cressida.  "Last but Not Beast", the second-season finale, was originally supposed to conclude the series in 1998.  However, Tartakovsky directed a television movie titled "" which aired on Cartoon Network on December 10, 1999.  He left the series after the movie, focusing on his other projects, "Samurai Jack" and "".
Answer: Dexter's Laboratory