Question: What other professional created characters for "The Mooninites" besides the co-creator of "Aqua Teen Hunger Force"?

full_context: Document 1: Radical Axis (studio): Radical Axis (also known as "radicalaxis" or "Radical Axis, Inc.") is an animation studio headquartered in Atlanta, Georgia, United States known for its diverse work in both episodic television and commercials. Founded in 2000 by Scott Fry, an original animator on "Aqua Teen Hunger Force for Adult Swim", Radical Axis has since become one of the fastest growing studios in the Southeast. In addition to "Aqua Teen Hunger Force", the studio's television credits include "Squidbillies", "Perfect Hair Forever", "12 oz. Mouse", "Sealab 2021", "Freak Show" on Comedy Central, and "Archer for FX". Radical Axis also animated the full-length film,
Document 2: Matt Gerald: Matt Gerald is an American actor and screenwriter, known for his roles in numerous films and television projects. He currently portrays Melvin Potter in the Marvel Netflix series "Daredevil", as part of the Marvel Cinematic Universe.
Document 3: Matt Harrigan: Matthew "Matt" Harrigan is an American television writer, producer, and voice actor who is best known for his work on shows like the "Late Show with David Letterman" and "Celebrity Deathmatch". He has also worked as a producer on several shows for Williams Street and was the founder of the short lived studio Williams Street West. He also wrote numerous episodes of the series, "Space Ghost Coast to Coast" (including the entirety of the eighth season). His latest project is the animated television series, "Assy McGee", which premiered in November 2006. In addition, he performs the voice of the regular character, Liquor, on "12 oz. Mouse", and the Major Shake Replicant on two episodes of "Aqua Teen Hunger Force" and did the voice of Linda in the "Aqua Teen Hunger Force Colon Movie Film for Theaters". He is the creator and host of "FishCenter Live", a talk show on the network.
Document 4: Soul Quest Overdrive: Soul Quest Overdrive is an American animated television series that aired on Cartoon Network's late night programming block, Adult Swim. "Soul Quest Overdrive" is a spin-off of the Adult Swim series "Aqua Teen Hunger Force". It was created by "Aqua Teen Hunger Force" creators Matt Maiellaro and Dave Willis. It made its formal debut and ended on May 24, 2011, leaving two episodes unaired. The series is about the misadventures of four anthropomorphic pieces of sports equipment.
Document 5: List of Aqua Teen Hunger Force guest stars: "Aqua Teen Hunger Force" (also known by various alternative titles) is an American animated television series on Cartoon Network's late night programming block, Adult Swim. The series made its official debut on September 9, 2001 on Adult swim; after the pilot episode was aired as a special sneak peek on Cartoon Network on December 30, 2000. The show is about the surreal adventures of three anthropomorphic fast food items, Master Shake, Frylock and Meatwad, and their human nextdoor neighbor, Carl Brutananadilewski. In addition to the main cast there are several guest appearances in several episodes.
Document 6: Matt K. Miller: Matthew Kermit Miller (born February 2, 1960), better known as Matt K. Miller, is an American stand-up comedian, actor, playwright, voice artist, and comedian. He is also known as Kermit Miller and Kermit Beachwood. His best-known voice role in anime was Tenchi Masaki in the Pioneer dub of "Tenchi Muyo".
Document 7: J. G. Quintel: James Garland "J. G." Quintel (born September 13, 1982) is an American animator, television writer, producer, voice actor, and director. He is best known as the creator of the Cartoon Network series "Regular Show", in which he also voiced the characters Mordecai and High Five Ghost, and the forthcoming TBS series "Close Enough". He was formerly the creative director for "The Marvelous Misadventures of Flapjack", an animated series that aired on Cartoon Network from June 2008 to August 2010, and a writer and storyboard artist on "Camp Lazlo" from 2006–2008.
Document 8: List of Homestuck characters: "Homestuck" is a webcomic written, illustrated and animated by Andrew Hussie as part of MS Paint Adventures. The series centers on a group of teenagers who unwittingly bring about the end of the world through the installation of a beta copy of an upcoming computer game. "Homestuck" features a complex story and a large cast of characters, starring the four children John Egbert, Rose Lalonde, Dave Strider, and Jade Harley. Hussie invented an alien species, called trolls, that have a unique culture. "Homestuck" characters are particularly popular at anime conventions to cosplay.
Document 9: Aqua Teen Hunger Force: Aqua Teen Hunger Force (also known by various alternative titles) is an American adult animated television series created by Dave Willis and Matt Maiellaro for Cartoon Network's late night programming block, Adult Swim. "Aqua Teen Hunger Force" is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who lived together as roommates and frequently interacted with their human next-door neighbor, Carl Brutananadilewski.
Document 10: 2007 Boston Mooninite panic: The 2007 Boston Mooninite panic occurred on Wednesday, January 31st, 2007, after the Boston Police Department and the Boston Fire Department mistakenly identified battery-powered LED placards resembling two "Mooninite" characters from the Adult Swim animated television series "Aqua Teen Hunger Force" as improvised explosive devices. Placed throughout Boston, Massachusetts, and the surrounding cities of Cambridge and Somerville, these devices were part of a guerrilla marketing advertising campaign for "Aqua Teen Hunger Force Colon Movie Film for Theaters", a film based on "Aqua Teen Hunger Force".
Document 11: Joe Murray (animator): Joseph David "Joe" Murray (born May 3, 1961) is an American animator, writer, illustrator, producer, director, and voice actor, best known as the creator of the Nickelodeon animated series "Rocko's Modern Life" and the Cartoon Network animated series "Camp Lazlo". Born in San Jose, California, Murray was interested in a career in the arts when he was three. He credits his high school art teacher Mark Briggs with teaching him a lot about art. Murray was a political cartoonist for a newspaper, often targeting then-President Jimmy Carter. As a young adult Murray was hired as a designer at an agency, where he invested his earnings from the production company into independent animated films. In 1981 at age 20, he founded his independent illustration production company, Joe Murray Studios, while he was still in college.
Document 12: List of Aqua Teen Hunger Force episodes: "Aqua Teen Hunger Force" (also known by various alternative titles) is an American animated television series that aired on Cartoon Network's late night programming block, Adult Swim. The show is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live together as roommates in a neighborhood in the suburbs next door to a human named Carl Brutananadilewski.
Document 13: Matt Hoyt: Matt Hoyt is an independent American director, actor, voice actor, writer, and musician, from San Diego, California. Hoyt is best known for his music videos for the bands Pinback, The Blackheart Procession, Goblin Cock, & Paradise Boys. Hoyt is the founder of WormwoodFilms.com. Hoyt also co-owns the San Diego restaurant and bar Starlite with local music scene impresario Tim Mays and musician Steve Poltz. Hoyt is a frequent collaborator with artist Jason Sherry.
Document 14: Matt Maiellaro: Matthew Gerard Maiellaro (Born August 17, 1966) is an American voice actor, filmmaker and musician, best known as the co-creator and writer of the cult television animated Adult Swim shows, "Aqua Teen Hunger Force" and "Perfect Hair Forever", and creator of "12 oz. Mouse". He is a native of Pensacola, Florida, and a graduate of Pensacola Catholic High School.
Document 15: The Mooninites: Ignignokt and Err (known collectively as The Mooninites) are fictional characters on the Adult Swim animated television series "Aqua Teen Hunger Force" (also known by various alternative titles). Ignignokt and Err are both two dimensional alien villains from the Moon who frequently visit Earth and cause senseless destruction and chaos for the main protagonists. Ignignokt is the larger of the two who frequently appears as more calm and patient, whereas Err appears more temperamental and hyper. Both characters were created by series creators Dave Willis and Matt Maiellaro. Willis provides the voice of Ignignokt and Maiellaro provides the voice of Err.
ground_truth: Dave Willis