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Radioactive Man Icon.png The contents of this article or section are related to the Radioactive Man universe. They are considered fictional in The Simpsons.
Character Information
Male ♂
Alias(es): Nick
Hair: White
Occupation: Criminal
Former: Assistant to Claude Kane II
First Appearance: Radioactive Man, Man of Radioactivity

Nickolai, also known as Nick and 8-644, is a criminal who worked for Dr. Crab.


Nickolai went undercover to work as Claude Kane II's assistant, under the name of Nick, so he could get the Foreverlution Formula for Dr. Crab. Nickolai knocked Claude Kane II unconscious and set fire to the lab after Dr. Crab lured Claude Kane III away by pretending to be Gloria Grand. Nickolai and Dr. Crab then later stole the formula and Radioactive Man knocked Nickolai out as Dr. Crab got away with the formula. Nickolai was then arrested.