Professor Mendel Stromm
Known to authorities
U.S.A. with a criminal record
Place of Birth
Amazing Spider-Man Vol. 1 #37 (1966)
Years later, Norman Osborn became curious about the unexpected effects of the Green Goblin formula of which Stromm had developed the prototype. He had Stromm exhumed and discovered him alive, due to the formula, although his body was a withered husk. Revived, Stromm, now Gaunt, was given a promise of rejuvenation if he carried out Osborn's plans to ruin Peter Parker. Given the use of Multivex's extensive resources by Osborn, Stromm blackmailed Seward Trainer into developing the regenerator, and hired the Hobgoblin (Jason Macendale), Arcade, and Cell-12 in a succession of attempts to either harm or kill Ben Reilly and others.Successfully rejuvenated, Stromm, clad in robot armor and calling himself the Robot-Master, attempted to kill Reilly himself, but failed. As a consequence of his failure, Osborn zapped him with a concussive blast and left him for dead. He came to with severe burns to his head and loss of memory. While wandering aimlessly, he stumbled across his original hideout and began making toy robots for hospitalized children. Unfortunately, mention of Osborn's name brought back Stromm's thirst for revenge, and he became unhinged before Spider-Man stopped him. At Ravencroft, Dr. Kafka discovered that he had no memory of the previous nine years. Stromm was treated and released. Obsessed with terminating Spider-Man, he attempted a new technique, interfacing his brainwaves with a computer that would enable him to control robots by mind power alone. The computer started to take over Stromm's mind, decapitating him, and seizing control of New York's computer infrastructure. Stromm used the small amount of control he still had to lead Spider-Man to his base underground, asking him to kill him before it was too late. With the help of Peter Parker's hacker friend Shea Tinker, Spider-Man introduced a recursive virus into the Machine, which sent Stromm and the Machine into standby, until Spider-Man could figure out a way to help Stromm permanently without killing him. Stromm is still currently in this suspended state.