Lex Luthor was created in 1940 by Jerry Siegel and
Why does Lex Luthor hate Superman in Superman and Lois?
During the bombshell second episode, a flashback sequence revealed that an evil Superman (the one dressed in all black that fans previously met in "Elseworlds"), conquered Luthor's planet. This alternate Earth was destroyed by the Kryptonian, which gives Luthor the motivation to hate this Earth's Superman.
Does Lex hate Clark?
Lex viewed Clark as his “brother” and was constantly disappointed whenever Clark would shy away from trusting him with his secret. Lex long believed that Clark was hiding something from him, but could never be sure what it was.