|Citizen of Russia with a criminal record.|
|Nation or Planet of Origin|
|Base of Operations|
Radioactively mutated human converted into an entity of pure energy with superhuman strength, speed, stamina, agility, durability and flight; capable of controlling others minds through telepathy.
Sustained by radioactive decay and requires neither nutrition, water or rest.
Genius level intelligence with skills as a nuclear physicist.
Containment Suit: Armored suit which contains radiation.
|Defenders Vol. 1|
|Defenders Vol. 1 #52 (Oct. 1977)|
|David Anthony Draft & Keith Giffen|
Nuclear physicist Sergei Krylov's two children were taken by the Soviet government when they manifest powerful mutations. Krylov used his genius to become one of the most powerful men in Russia, but his insanity lead to a severe nuclear disaster in the "Forbidden Zone" transforming into the radioactive Presence.