Other Names: John Cummings
First Appearance: Tales to Astonish (vol. 1) #14 (Dec. 1960): "The Thing in Human Form!"
Creators: Don Heck
Number of Appearances: 1
Enemy of: Ogor
Zeno was the spymaster of Jupiter. His people, the Jupiterians, were at war with Mars. In order to capture Ogor of Mars, Zeno posed as Earth scientist John Cummings. Ogor came to investigate the weapon being developed by "John Cummings," only to be captured by Zeno.
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