Mark Stevens
Mark Stevens
Species: Human
Hair: Gray
Base: Central City
Affiliations: River Bluffs Research Laboratory

Mark Stevens was a scientist at the River Bluffs Research Laboratory.


Grodd used his mind control on Stevens and Chin to make them steal isotopes for him. After a violent chase through Central City, the Flash and Green Lantern stopped them. The had no memory of the event.


Justice League

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