Question: Steve Marmel has worked on many animated TV series, including what series that was created by Butch Hartman for Nickelodeon?

full_context: Document 1: Seth MacFarlane filmography: Seth MacFarlane is an American actor, animator, writer, producer, director, comedian, and singer. MacFarlane began his career has an animator and writer for Hanna-Barbera for several television series, including "Johnny Bravo", "Cow and Chicken", "Dexter's Laboratory", "I Am Weasel", and created a sequel to his college thesis film "Larry & Steve".
Document 2: Steven Molaro: Steven Molaro, also known as Steve Molaro, is an American television producer and writer. He has worked on such productions as "Freddie", "The Class", "Complete Savages" and the Dan Schneider-produced series "All That", "The Amanda Show", "What I Like About You", "Drake & Josh", "Zoey 101" and "iCarly". Since 2007, he has been a producer/writer on the sitcom "The Big Bang Theory"., Molaro also co-created it's prequel spinoff, "Young Sheldon" with Chuck Lorre.
Document 3: Danny Phantom: Danny Phantom is an American superhero animated series created by Butch Hartman for Nickelodeon. It was produced by Billionfold Studios and distributed in Canada by Nelvana, a Canadian animation company. The series follows a teenage boy who, after an accident with an unpredictable portal between the human world and the "Ghost Zone", becomes a human-ghost hybrid and takes on the task of saving his town (and the world) from subsequent ghost attacks using an evolving variety of supernatural powers. He is aided in his quest by his two best friends, and later, his older sister, who for most of the series' run are among the only people who know of his double life.
Document 4: Steven Fonti: Steven Fonti also known as Steve Fonti (born June 16, 1970), is a Primetime Emmy Award winner who has worked in the Art Department on movies such as "Over the Hedge" and Adam Sandler's "Eight Crazy Nights", "", "Pooh's Heffalump Movie", "Osmosis Jones" and TV shows including "The Simpsons", "Family Guy" and "Futurama". He was also a writer and the storyboard director for Nickelodeon's animated series, "SpongeBob SquarePants". He also worked on an episode of "The Powerpuff Girls" called "Catastrophe".
Document 5: The Grim Adventures of Billy &amp; Mandy: The Grim Adventures of Billy & Mandy (also known as Billy & Mandy) is an American animated television series created by Maxwell Atoms for Cartoon Network, and is the 14th of the network's Cartoon Cartoons (albeit on when it was part of "Grim & Evil", due to the "Cartoon Cartoons" brand being temporarily discontinued earlier in June 2003; the show itself is considered by some to still be a "Cartoon Cartoon" show regardless). It follows two children named Billy—a slow-witted boy—and Mandy—the cynical best friend—who, after winning a limbo game to save Billy's pet hamster, gain the mighty Grim Reaper as their best friend in eternal servitude and slavery.
Document 6: Butch Hartman: Elmer Earl Hartman IV, better known as Butch Hartman (born January 10, 1965), is an American animator, writer, director, producer, and actor, best known for creating the Nickelodeon cartoons "The Fairly OddParents", "Danny Phantom", "T.U.F.F. Puppy" and "Bunsen Is a Beast". Hartman also owns a production company, Billionfold, Inc., which he uses primarily to produce his shows. Hartman has been an executive producer on "Fairly OddParents" since its series debut in 2001.
Document 7: Dan Schneider (TV producer): Dan Schneider (born January 14, 1966) is an American actor, television and film writer, and producer. After appearing in mostly supporting roles in a number of 1980s and 1990s films and TV shows, Schneider devoted himself to behind-the-scenes work in production. He is the co-president of television production company Schneider's Bakery. He created/co-created "All That", "The Amanda Show", "What I Like About You", "Drake & Josh", "Zoey 101", "iCarly", "Victorious", "Sam & Cat", "Henry Danger", "Game Shakers", and "The Adventures of Kid Danger and Captain Man".
Document 8: Nickelodeon Animation Studio: Nickelodeon Animation Studio, also known in Burbank as Nickelodeon Studios Burbank, is an American animation studio owned and operated by Viacom through its television network Nickelodeon. The studio produces many of the network's most popular animated series, including "SpongeBob SquarePants", "The Fairly OddParents", "Teenage Mutant Ninja Turtles", "Harvey Beaks", "The Loud House", "Bunsen Is a Beast", and "Welcome to the Wayne". It also produces programs for Nicktoons Network, Nick at Nite, TeenNick, and Nick Jr. as well.
Document 9: Jeff &quot;Swampy&quot; Marsh: Jeff "Swampy" Marsh (born December 9, 1960) is an American animator, writer, director, producer, and voice actor associated with several animated television series, most notably as the co-creator, executive producer, and voice of Major Monogram of Disney's animated series "Phineas and Ferb". Marsh was born in Santa Monica, California, where he grew up with a heavily blended family dynamic. Marsh has been and continues to be a driving force behind several animation projects, working for over six seasons on the animated television series "The Simpsons". Marsh continued to work on other animated television series, including "King of the Hill" and "Rocko's Modern Life," before moving to England in 1996.
Document 10: Steve Marmel: Steve Marmel (born December 17, 1964) is an American television writer and producer who has worked on many animated TV series, including "The Fairly OddParents", "I Am Weasel", "Danny Phantom", "Family Guy" and "Yin Yang Yo!". During his work on "The Fairly OddParents" he frequently co-wrote episodes with Butch Hartman. Marmel also created the series "Sonny with a Chance" as well as the series "Mech-X4".
Document 11: The Fairly OddParents: The Fairly OddParents is an American animated television series created by Butch Hartman that premiered on Nickelodeon on March 30, 2001. The series follows the everyday misadventures of Timmy Turner, a boy who is granted two fairy godparents named Cosmo and Wanda.
Document 12: Supernoobs: Supernoobs is an American-Canadian flash animated series produced by DHX Media for Teletoon. The series is about four kids who navigate through middle school and fight viruses as well. It first premiered on Cartoon Network in the United Kingdom and Ireland on November 2, 2015. "Supernoobs" was created by Scott Fellows, who also created "Johnny Test", "Ned's Declassified School Survival Guide", "Big Time Rush", and "100 Things to Do Before High School".
Document 13: T.U.F.F. Puppy: T.U.F.F. Puppy is an American children's animated television series created by Butch Hartman for Nickelodeon. It premiered on October 2, 2010, on Nickelodeon along with "Planet Sheen". "T.U.F.F. Puppy" is Butch Hartman's third animated series for Nickelodeon, after "The Fairly OddParents" (2001–2017) and "Danny Phantom" (2004–2007). The series aired its final episode on April 4, 2015.
Document 14: Steve Dildarian: Steve Dildarian (born November 3, 1969) is an American former advertising copywriter who is the creator, writer, producer and voice of Tim in the HBO animated television series "The Life & Times of Tim" (2008-2012).
Document 15: Freakazoid!: Freakazoid! is an American animated television series created by Bruce Timm and Paul Dini and developed by Tom Ruegger for the Kids' WB programming block of The WB. The series chronicles the adventures of the title character, Freakazoid, a manic, insane superhero who battles with an array of super villains. The show also features mini-episodes of adventures of other bizarre superheroes. The show was produced by Amblin Television and Warner Bros. Animation. The cartoon was the third animated series produced by the collaboration of Steven Spielberg and Warner Bros. Animation during the animation renaissance of the 1990s.
ground_truth: Danny Phantom