cybernetic fictional species in the Marvel Comics universe who have come in conflict with the X-Men and related groups on several occasions. They form a hive mind, linking each member by a telepathy-like system.

A mysterious cyborg, Cable became the leader of the New Mutants, a junior X-Men team. After he developed the team into the harder-edged X-Force, Cable became one of the most popular superheroes of the 1990s and graduated to his own series in 1993.

Nimrod is a robotic supervillain, an enemy of Marvel Comics’ X-Men. Created by writer Chris Claremont and artist John Romita, Jr., he first appeared in Uncanny X-Men #191 (March 1985).

Howard the Duck is a comic book fictional character created by Steve Gerber for Marvel Comics and featured in several comic book series of the same name about the misadventures of an ill-tempered humanoid duck trapped in a human dominated world. Howard's adventures are generally parodies of science fiction and fantasy, written in a tongue-in-cheek style and combined with a degree of metafictional awareness of the limitations of the medium, often very experimental for a non-underground comic.