Lex Luthor is a DC villain unlike any other. The number of villains who have survived as long as he has is slim, and that number becomes even smaller when one factors in that Lex Luthor has been at the top of the villain world for pretty much his entire existence. Lex Luthor may not have been Superman's greatest enemy right away, but Lex quickly claimed that title. Luthor has been trying to kill Superman and the heroes of the DC Multiverse for ages, and he's persevered for one reason: change.
Source：https://www.cbr.com/dc-comics-lex-luthor-golden-age-vs-modern/
