History of character has not yet been written.
- This version of the character is exclusive to the continuity of the television series Supergirl, its tie-in comic book series, and its related television series. It is an adaptation of Jemm, Son of Saturn. The original character was created by Greg Potter and Gene Colan and first appeared in Jemm, Son of Saturn #1.
- Jemm was played by Charles Halford.
- 1 Appearances of Jemm (Arrow: Earth-38)
- 2 Images featuring Jemm (Arrow: Earth-38)
- Quotations by or about Jemm (Arrow: Earth-38)
- Character Gallery: Jemm (Arrow: Earth-38)
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