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Believe it or not, therer were two American GODZILLA projects that never quite made it out of the gate and were, for monetary reasons and more, never completed or realized...
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In 1983 a GODZILLA 3-D project was developed by Steve Minor, with a script by cult favorite, FRED DEKKER ( Monster Squad, House ), and Concept Art and Storyboards by the legendary WILLIAM STOUT...
more on the Plot details and project history
HERE.
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Years later, JAN De BONT, hot off the success of SPEED, was slated to do GODZILLA..one HUGE ballooning budget later ( rumored @ 150+ million in early 1990's dollars ), the Studio pulled the plug...Stan Winston Studios was doing the creature work and G would battle some monster called Gryphon ( seen below in an early
Carlos Huante design ):
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...and although it wasn't produced for a specific Film project, I like this interpretation of Godzilla by sculptor
Tony McVey: