Alexander Petrov

    Character » Alexander Petrov appears in 10 issues.

    Alexander Petrov works for the Keystone Police Department as a forensic scientist. To enhance his prospects of promotion he took up the mantle or Mr Element.

    Short summary describing this character.

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    This article is about the second Mr Element. For the first person to use that name, see Doctor Alchemy.


    Nothing is known about Alexander Petrov's early life. A forensic scientist, he found work with the Keystone City Police Department.


    Petrov was created by Geoff Johns and Alberto Carlos Dose. He made his first appearance in The Flash #202.

    Major Story Arcs


    Dissatisfied with his place in the lab, Petrov steals a gun that once belonged to Doctor Alchemy and uses it to kill his superior. Finding that he enjoys murder, he continues with a rash of cop killings that puts the city on edge. Though his element gun can to be used to restructure any element, he only uses it to freeze his victims, framing Captain Cold for his crimes. He targets individuals who he views as intellectual threats, eventually attacking Ashley Zolomon. He is stopped from killing her by the Flash. The two fight, and Flash defeats him. Before Flash can take him into custody, Captain Cold appears, impaling Petrov on an icicle as revenge. Petrov broke the rules of The Rogues by framing Cold for the murders and violating the Rogues code of ethics.

    Powers and Abilities

    Petrov has no known superhuman powers or abilities. He is quite intelligent, and knowledgeable in the field of forensic science.

    Equipment and Weapons

    Petrov wields an element gun, which is capable of transmuting any element into any other element.

    Other Media


    Justice League Unlimited

    A character wearing the Mr Element costume appears in the episode "Flash and Substance" as one of the patrons at a villain bar in Central City. As Dr Alchemy also appears in the scene, this person is presumably Petrov. He does not speak in his appearance.


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