Lex Luthor

Lex Luthor (voiced by Clancy Brown) is Superman's archenemy, and a super genius. He carries around Superman's weakness, a chunk of kryptonite. Luthor is the President of Lexcorp. A high tech organization, designed to create machinery for the city of Metropolis.

Trivia

 * Lex Luthor will become Jeffrey's enemy in Jeffrey & Friends' Storm Adventures of Superman: Doomsday.
 * Lex Luthor will become the Eds' enemy in The Eds' Adventures of Justice League and The Eds' Adventures of Justice League Unlimited. He is revealed to be in cahoots with the Scourge, and will join the group at the end of the show.
 * Lex Luthor will become Aaron's enemy in Aaron, & Friends Power Adventures in Superman: The Last Son of Krypton.