LUKAS

LUKAS - X-Factor #82 (September 1992)

Member of Genoshan Mutates and X-Patriots. Unknown if he was present on the attack of Genosha.

FATALE

FATALE - Uncanny X-Men #299 (April 1993)

Formerly an assassin in Europe and Japan. Follower of Onslaught and Dark Beast. Member of Havok's Brotherhood and X-Cell. May have been genetically engineered by Dark Beast. Briefly posed as waitress Pamela Greenwood. Depowered on M-Day. Artificially repowered with the Terrigen Mists. After they proved unstable, she fled to the Brimstone Dimension. Fate unknown.

DOPPELGANGER

DOPPELGANGER (Wolfgang Heinrich) - X-Factor Annual #1 (October 1986)

Hails from East Germany. Resident of Soviet Union. Research scientist for the Soviet government. Opposed X-Factor. Retained powers after M-Day.

DIRTNAP

DIRTNAP - Wolverine v2 #95 (November 1995)

Member of the Dark Riders. Permanently stuck in the body of a rat after possessing it. Exploded while trying to assimilate M-Plate.

COURIER

COURIER (Jacob Gavin Jr.) - Deadpool: The Circle Chase #1 (August 1993)

Employee of New Sun. Ally of Deadpool and Gambit. Permanently stuck in a female form by Mister Sinister.

COPYCAT

COPYCAT (Vanessa Carlysle) - New Mutants #98 (February 1991)

Briefly a member of New Mutants and X-Force under the guise of Domino, at the behest of her employer, Genesis. Later affiliated with the Weapon X program. Killed by fellow Weapon X agent, Sabretooth.

CHANGELING

CHANGELING (Kevin Sidney) - X-Men #35 (August 1967)

Member of Factor Three. Posthumously recognized as an honorary X-Man. Impersonated Professor X at his request, without the knowledge of the rest of the X-Men. Killed by Grotesque while in Professor X's guise.