Head - Sgt Stone
Body - Pit Commado
Hands - Chuckles

Holster - Destro ROC
Gun - Duke ROC

In my current storyline Cobra Commander and Destro have escaped G.I. Joe custody with the aid of Alexander Destro and a team of NEO VIPERS. Attached is a pic of the Flint's showdown.

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This custom happened by accident. I got the Cobra Island Chuckles and hated his hands since it didn't look like the original. I swaped with a Pit Commando and had an extra Sgt Stone head and with black hair thought it looked like Flint. All I had to do was heat and bend the 2 fingers that stood out.