1.THE TERMINATOR the first terminator ever!
2.THE FLY a guy whose body has a fly's head and a fly's body
3.THE MARTIAN LEADER the alien that used a robotic hand to kill the president (in Mars Attacks)
4.GODZILLA a survivor of the dinosaur race
5.WOLFMAN whether he's the first werewolf in a movie I don't know
6.T.R.I.P. the terminator that got close to killing john coner