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Petroleus Rex is a tyrannosaurus rex who is one of the villains of Radioactive Man and also one of the members of The Fossil Fuel Four.

HistoryEdit

Before becoming a supervillain, he was an environmental scientist known as Rex Bernstein. He, along with the rest of The Fossil Fuel Four, defeated and killed Radioactive Man.

Petroleus Rex

PowersEdit

He can shoot gasoline from the pumps that are his arms.

TriviaEdit

AppearancesEdit