Rom Spaceknight — the toy who became a Marvel Comics character, he struts his stuff in this way-too-intense ad.
Judge Dredd fights a giant cyborg ape, on his flying motorcycle... really, what more than that could you possibly need?
The Fantastic Four's nemesis, a Chinese cyborg vampire named Doctor Sun (1974).
Deathlok, Marvel Comics' cyborg superhero, from 1974.
The Bicentennial Man by Isaac Asimov.
Cyborg by Martin Caidin, the novel which inspired The Six Million Dollar Man.
Darkoth, Dr. Doom's cybernetic demon.
Cyborg — one half of the Cyborg And Mutton toy line. Because what goes with mutton? Cyborgs. Apparently.
Davros, creator of Doctor Who's mutant cyborg Daleks, as introduced in 1975.
Steve Austin, Six Million Dollar Man himself. Ho ho ho.