Steve Marmel has worked on many animated TV series, including what series that was created by Butch Hartman for Nickelodeon?
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! Danny Phantom: Danny Phantom is an American superhero animated series created by Butch Hartman for Nickelodeon.
Danny Phantom