The good twin Luthor locked away for decades by Lex, hidden from all of society but not killed for some unknown reason.....
Sounds like a re-worked version of Man in the Iron Mask.
VirginiaR. "On the long road, take small steps." -- Jor-el, "The Foundling" --- "clearly there is a lack of understanding between those two... he speaks Lunkheadanian and she Stubbornanian" -- chelo.
