Alexander "Lex" Joseph Luthor Jr. is a megalomaniacal multi-billionaire businessman, as well as one of the smartest individuals in the world. He is the current owner and C.E.O. of LexCorp. Lex is intrigued by Kryptonians and is always quick to remind Superman that he is an alien, and not a human of Earth and also he is fixated on defeating and killing Superman.
He is portrayed by Jesse Eisenberg