Dr. Randall Hagen was a prominent expert in the field of cryonics, who in 1980 was diagnosed with terminal brain cancer. He embarked on a series of radical experiments, culminating in him freezing himself solid in a block of ice. Due to unknown factors in the process interacting with the tumors in his cortex, Hagen was left with the ability to telekinetically expand and control his icy shell. It also twisted his mind, leaving him criminally insane. His initial victims were several low level organized crime figures to whom he owed considerable debts for funding his cryonic experiments. Those he let live became his willing pawns in a rapidly expanding criminal empire, the management of which he apparently found much to his liking. He clashed freqently with The Lawmen Agency, and has had several run ins with B.A.S.E. as well, in particular crossing swords with TheTank.

Doc Iceberg recently resurfaced in Boston, Massachusetts, as the mastermind behind The Snowmen, a criminal organization enhanced and equipped with advanced technology developed through his cryonics research. The Doc himself was encountered by B.A.S.E. agents in an abandoned fish cannery on Boston Harbor. Hagen had apparently set up a trap to take revenge for B.A.S.E.'s interference in his gang's operations, but failed to make good his scheme thanks to the overwhelming firepower carried by the W.O.R.G. unit. The agents report Iceberg wasn't there in person, but manifested a gigantic ice golem using his cryokinetic powers and a cybernetic mind transferral device. This icy behmoth was compeletly destroyed by a sustained burst from the W.O.R.G. unit's .50 cal machine guns. Doc Iceberg's wherabout's are currently unknown, and he hasn't been heard from since the confrontation in Boston.