Norman Osborn's experiments increase his strength but lead to a mental breakdown, as he becomes a cackling, evil presence often driven by a very personal vendetta with Spider-Man.
Norman Osborn is the father of Peter Parker’s best friend Harry – and Spider-Man’s long-time enemy. When Norman became the Green Goblin, he went on a maniacal rampage, forging a battle that continues to stalk Spidey.
Corrupted by greed and an unquenchable thirst for power, Norman Osborn decayed into the Super Villain known as the Green Goblin. On the latest Marvel 101, learn more about how a friend to Peter Parker became a mortal enemy.
