How do you have the characteristics of lex luthor?

If this is referring to the Superman movie made in 1978- that would be Otis played by Ned Beatty.

They actually don't say anything, but they do say that he's a few years older than Clark.

He was "murdered" by Green Arrow/Oliver McQueen, but as Superman Mythos says he is not dead. But he is absent from the show because Michael Rosenbaum left the show, so the show was either putting in...

As a teenager, Lex Luthor invented a kryptonite antidote to cure Superboy of kryptonite poisoning, but he had an accident in his lab and caused fumes to escape. Superboy used his super breath to...

Not exactly- he does have some good motives. But he always tries to destroy Superman and that certainly makes him a bad guy to the Man of Steel himself.