John Semper, Jr., often credited as simply John Semper, is a writer, producer, and story editor. He wrote every episode of Spider-Man, except for five, and two episodes of The Incredible Hulk. He has worked for production companies such as Hanna-Barbera, Marvel Productions LTD., NBC Productions, PorchLight Entertainment, The Walt Disney Company, and Warner Bros. Animation. He worked with high profile names such as Jim Henson, George Lucas, Stan Lee, and Rob Minkoff.