When Rex Mason was exposed to the Orb of Ra, he was transformed into an Elemental Man and later became a stand-by member of the Justice League, where he uses his abilities to transform into any chemical to use against global threats.
- 5 Appearances of Rex Mason (Justice)
- 4 Images featuring Rex Mason (Justice)
- Quotations by or about Rex Mason (Justice)
- Character Gallery: Rex Mason (Justice)
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