. . . "Atom Man vs. Superman"@en . "Alexander \"Lex\" Luthor is Superman's arch enemy. He was portrayed by Lyle Talbot in Atom Man vs. Superman."@en . . . . . . . . "Alexander Luthor"@en . "Lex Luthor"@en . . . . . "Alexander \"Lex\" Luthor is Superman's arch enemy. He was portrayed by Lyle Talbot in Atom Man vs. Superman."@en . "Alexander Luthor (Superman serials)"@en . . . . .