Universe
Marvel Universe

Real Name
Unrevealed

Aliases
None

Identity
Secret

Citizenship
U.S.A. (presumed)

Place of Birth
Unrevealed

First Appearance
X-Factor #11 (1986)

Seeking to escape the massacre of the Morlock community by the superhuman team of assassins known as the Marauders, the Tunnelers escaped to the surface world. After an encounter with the notorious Savage Wolf street gang on one of the Hudson River's dilapidated piers which subsequently led to a clash with the New York Police Department,Berzerker was knocked into the river by an optic blast from Cyclops, then-leader of the superhuman team of mutants known as X-Factor. As Berzerker hit the water, the electro-magnetic energy stored within his body was explosively torn from him.