Chlorophyll Kid is Ral Benem, a member of the Legion of Substitute Heroes in the 30th Century. Born on the planet Mardru, an experimental serum gave him the ability to accelerate plant growth. This was deemed an unsuitable power for membership in the Legion of Super-Heroes, so he founded the Subs with several others. Chlorophyll Kid was created by Edmond Hamilton and John Forte, first appearing in Adventure Comics #306. (1963)

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