General Demetrius Lazer was a Marvel Comics

Marvel Comics

Marvel Worldwide, Inc., commonly referred to as Marvel Comics and formerly Marvel Publishing, Inc. and Marvel Comics Group, is an American company that publishes comic books and related media...

 villain and enemy of the X-Men

X-Men

The X-Men are a superhero team in the . They were created by writer Stan Lee and artist Jack Kirby, and first appeared in The X-Men #1...

. He debuted on Decimation: House of M -- The Day After, the one-shot issue that marked the end of the House of M

House of M

House of M is an eight-issue comic book limited series and crossover storyline published by Marvel Comics in 2005. Written by Brian Michael Bendis and illustrated by Olivier Coipel, its first issue debuted in June 2005 as a follow-up to the events of the Planet X and Avengers Disassembled...

 crossover and the beginning of the Decimation

Decimation (comics)

Decimation is the late 2005 Marvel Comics storyline spinning off from the House of M limited series. It focuses on the ramifications of the Scarlet Witch stripping nearly all of the mutant population of their powers, thereby reducing a society of millions to one of scant hundreds.This event, which...

 storyline. Lazer was the Director of the Office of National Emergency

Office of National Emergency

The Office of National Emergency, most commonly referred to as O*N*E, is a fictional government agency in the Marvel Universe. It is best known as the originator of the Sentinel squads that were assigned to protect/observe the X-Men and the remaining mutants after the event known as M-Day, which...

 (O*N*E), a United States government agency dedicated to the response against superhuman threats, particularly those involving mutants

Mutant (Marvel Comics)

In comic books published by Marvel Comics, a mutant is an organism who possesses a genetic trait called an X-gene that allows the mutant to naturally develop superhuman powers and abilities...

. During his rulership, he has the mutant Johnny Dee

Johnny Dee

Johnny Dee is a fictional mutant character, in the Marvel Comics universe. He debuted in Son of M #1 .-Fictional character biography:...

 control Magma

Magma (comics)

Magma is a fictional character in the Marvel Comics series New Mutants, also associated with various X-Men-related comics. She was created by author Chris Claremont and artist Bob McLeod, and debuted in New Mutants #8...

 into killing the mysterious Mr. M. Valerie Cooper

Valerie Cooper

Valerie "Val" Cooper is a fictional character in the Marvel Comics Universe who currently works for the Office of National Emergency. She is most notable for her work as the liaison for mutant affairs in the United States government.-Publication history:...

, long-time X-Men ally and O*N*E member, ends up breaking his kneecaps in the resulting confrontation.

Lazer is killed by Johnny Dee

Johnny Dee

Johnny Dee is a fictional mutant character, in the Marvel Comics universe. He debuted in Son of M #1 .-Fictional character biography:...

who used his mutant power to snap his neck.