User blog comment:Calvincambridge30/Versus/@comment-79.115.71.25-20151205184733/@comment-3481504-20151206001856

Crowley. He could destroy him on a sub-atomic level.

Haven't seen the show, but probably Dean.

Even if Crowley couldn't destroy her, as she's a Kryptonian, in the end, he would win.

Superman.

Dean.