Yeah, but his human half comes from Lex typically, so that opens up the possibility that Lex has a latent meta-gene. Then again, I might be one of the few people here who would be okay with having Lex discover he has a meta-gene, activating it, and becoming a meta-human. Lex with TTK? You could get a good decade's worth of stories running with that premise. I mean some fans would be upset at giving Lex superpowers for such a long stretch, but since we all know it wouldn't last before some writer says "Not my Lex!" and changes it back, I would be cool with DC exploring that as a storyline for a while.