Norman Osborn is a fictional super-villain appearing in American comic books published by Marvel Comics. The character first appeared in The Amazing Spider-Man #14 (cover dated July 1964) as the original and best-known incarnation of the Green Goblin. As the amoral industrialist head of Oscorp, Norman was exposed to an experimental formula which enhanced his physical abilities and intellect, but also drove him to insanity. Having endured as Spider-Man's archenemy, Osborn has been part of the superhero's defining stories as well as being Harry Osborn, Gabriel and Sarah Stacy's father, Normie Osborn's grandfather, and the killer of Gwen Stacy, then Ben Reilly (prior his resurrection) and Flash Thompson. Although his primary obsession is Spider-Man, he often comes into conflict with other superheroes in the Marvel Universe. As the Goblin, he adopted a Halloween-themed appearance: dressing in a goblin costume, riding on a bat-shaped "Goblin Glider", and using an arsenal of high-tech weapons, such as grenade-like "Pumpkin Bombs", to terrorize New York City. Although Osborn sometimes works with other super-villains such as Doctor Octopus and Mysterio, and groups like the Sinister Six and the Dark Avengers, these relationships often collapse due to his desire for unbridled chaos. In recent years, Osborn gained new status as a public hero as the original iteration of Iron Patriot.