Thomas Wayne created an Anti-Kryptonite Serum to make Superboy immune to the mineral. When the Boy of Steel came to collected the serum, Thomas denied since he yet to test it. Later that day, Lex Luthor, Superboy's arch-nemesis, sent a Superboy Robot to steal the serum and accidentally killed Thomas.[1]




  1. World's Finest Vol 1 153
  2. World's Finest Vol 1 153

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This character is or was an incarnation of or an ally of Superman, and a member of the Superman Family. This template will categorize articles that include it into the "Superman Family members" category.

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