Seg-El was a member of Krypton's lowest caste following the House of El's ostracism, later becoming the father of Jor-El, and grandfather of Superman.

Roughly 200 years before the destruction of Krypton, Seg-El fought to both redeem his family’s honor, and save his native planet from chaos[1].


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Seg-El is a very determined and dedicated person, tirelessly fighting to both redeem his House of El family’s honor and save Krypton itself from chaos[2].

Powers and Abilities Edit

  • Kryptonian Physiology: As a Kryptonian, Seg-El's bone structure is almost identical to that of a human. On a planet near a red class M main-sequence star, like his native Krypton with its sun Rao, Seg-El had physical attributes nearly identical to those of humans. However, if he were to travel to a planet near a yellow G-type main-sequence star, like Earth, he would have gained many incredible superpowers, identical to those of his grandson Superman, which would have made Seg-El also appear godlike.

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Behind the ScenesEdit

To be added


  1. Syfy's Krypton: Meet Superman's Grandpa and Other Key Characters - TVLine
  2. Syfy's Krypton: Meet Superman's Grandpa and Other Key Characters - TVLine

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