THE HELLFIRE CLUB
First seen: Uncanny X-Men #129, January 1980
Key members: Sebastian Shaw, Emma Frost, Donald Pierce, Jason Wyngarde, Harry Leland
Agenda: Nefarious business. This shadowy group of villains manipulate world events for their own profit, and are perhaps most famous in the comics for their role in the Dark Phoenix saga, attempting to bring Jean Grey into the fold only to unleash her incredibly powerful alter-ego.
THE MORLOCKS
First seen: Uncanny X-Men #169, May 1983
Key members: Caliban, Calisto, Dark Beast, Masque, Sunder
Agenda: A group of mutants who live as outcasts in the sewers of New York. Well, they also live in tunnels too, and old abandoned train lines. These are mostly people whose mutations are too visible to allow them…
