Professor Potter (Earth-X)
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Real Identity: Professor Potter
Affiliations: Freedom Fighters
Appearances (JLI Comics): The Mirror Crack'd Part Three
Skills: Knowledge of Science and Technology
Voiced By: Not Applicable
In the parallel universe known as Earth-X, Professor Potter is a scientist who works for the Freedom Fighters, a group of rebels who oppose Vandal Savage's Fourth Reich. During a dimensional overlap spreading across the Multiverse, Superman was teleported to Earth-X. While General Zod gave him a tour of the headquarters, Potter informed them the dimensional disturbances created a chaotic situation that gave them a chance to strike the Fourth Reich and bring it down once and for all.