Real Name


First Appearance

Space Adventures #4 (Jan. 1953)

Original Publisher


Created by

Art Cappello


Cosmium is a gravity-repelling metal mined on Pluto and reduced to a substance called Gravitex. Nucleo, the Mad Martian, is suspected to be responsible of the theft of large amounts of the Gravitex. Pojo is a henchman of Nucleo, who helps Nucleo in the crime. Commodore Rex Clive and Stella Dawn assist the Space Rangers in capturing Nucleo and his henchman, Pojo.

Public Domain Appearances

  • Space Adventures #4

See Also

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