X-Factor is a group of fictional mutant superheroes appearing in American comic books published by Marvel Comics.
James Arthur Madrox, also called the Multiple Man, is a fictional character appearing in American comic books published by Marvel Comics. Created by writer/editor Len Wein, he first appeared in Giant-Size Fantastic Four #4.
The New Mutants are a group of fictional mutant superheroes appearing in American comic books published by Marvel Comics, generally in association with the X-Men. Originally depicted as the teenaged junior class at the Xavier Institute, subsequent stories have depicted the characters as adult superheroes or as teachers and mentors to younger mutants.
The Legacy Virus is a fictional plague appearing in American comic books featuring the X-Men published by Marvel Comics. It first appeared in an eponymous storyline in Marvel Comics titles, from 1993 to 2001, during which it swept through the mutant population of the Marvel Universe, killing hundreds, as well as mutating so that it affected non-mutant humans as well.
New X-Men is a superhero comic book series published by Marvel Comics within the X-Men franchise.
Wolfsbane is a fictional superhero appearing in American comic books published by Marvel Comics. The character is commonly associated with the X-Men. A Scottish mutant, Wolfsbane can transform into a wolf or a transitional state somewhere between human and wolf, similar to a werewolf. She honed her powers to shift between human and wolf characteristics but must keep her feral instincts at bay when she does.
The X-Force is a team of superheroes appearing in American comic books published by Marvel Comics, most commonly in association with the X-Men. Conceived by writer/illustrator Rob Liefeld, the team first appeared in New Mutants #100 and soon afterwards was featured in its own series called X-Force. The group was originally a revamped version of the 1980s team, the New Mutants.
Nimrod is a fictional character appearing in American comic books published by Marvel Comics. The character first appeared in The Uncanny X-Men #191, and was created by writer Chris Claremont and artist John Romita Jr.
Siryn is a superhero appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont and artist Steve Leialoha, the character first appeared in Spider-Woman #37. Theresa Cassidy belongs to a subspecies of humans called mutants, who are born with superhuman abilities. She possesses a sonic voice providing various effects while her name refers to the Sirens of Greek mythology and their hypnotic voices. She is depicted most commonly in association with the X-Men. Theresa Cassidy is the daughter of the superhero Sean Cassidy. The character has also been known as Siryn and Banshee at various points in her history.
Surge is a superhero appearing in the American comic books published by Marvel Comics. The character is depicted as a mutant, a member of the student body of the Xavier Institute, and a member of the former New Mutants squad. She maintained her powers post M-Day and was the leader of the New X-Men.
Hellion is a fictional character, a mutant appearing in American comic books published by Marvel Comics. He was a member of the student body of the Xavier Institute before its closing and is a member of the X-Men's training squad.
Penance is a mutant superheroine appearing in American comic books published by Marvel Comics. The character is primarily depicted in association with the X-Men. She was created by writer Scott Lobdell and artist Chris Bachalo and first appeared in The Uncanny X-Men #316. She was originally a member of the teenage mutant group Generation X (1994), and later X-Factor and X-Men. Monet is a Muslim superhero and has illustrated the struggle of accepting "different" people central to X-Men stories.
Synch is a fictional character and mutant superhero appearing in American comic books published by Marvel Comics. Created by Scott Lobdell, he first appeared in X-Men #36.
Layla Rose Miller, also known as Butterfly, is a fictional character appearing in American comic books published by Marvel Comics. She first appeared in House of M #4, and was created by Brian Michael Bendis and Olivier Coipel. Peter David has developed the character, placing Layla at the center of the ensemble of mutant private detectives in his title X-Factor.
Trance is a fictional character appearing in comic books published by the Marvel Comics. A mutant, Hope attended the Xavier Institute before its closing. She retained her powers after M-Day and is a member of the X-Men's training squad.
Cameron Hodge is a fictional supervillain appearing in American comic books published by Marvel Comics, usually as an adversary in stories featuring the X-Men. Created by writer Bob Layton and artist Jackson Guice, he first appeared as a supporting character in X-Factor #1,
Prodigy is a superhero appearing in American comic books published by Marvel Comics. Created by Nunzio DeFilippis, Christina Weir, and Keron Grant, the character first appeared in New Mutants #4. Prodigy is a student at the Xavier Institute. The character has also been a member of the X-Factor, the New X-Men, and the Young Avengers at various points in his history.
Extraordinary X-Men was a comic series from Marvel Comics and the flagship X-Men title under the All-New, All-Different Marvel re-branding. The story takes place following the conclusion of the Secret Wars crossover event. In this comic series, mutants are again faced with possible extinction due to Terrigen Mist which causes exposed mutants to become sterile and possibly suffer from a fatal degenerative disease called "M-Pox". The gas also prevents the activation of the X-Gene. The series ended with #20.
