While I still haven't seen the G.I. Joe film, this "Ballad of G.I. Joe" with a star-studded cast is made of pure joy:
Vinnie Jones as Destro and Henry Rollins as Duke = WIN. For many reasons, this now becomes the best G.I. Joe related thing on the Internet (with this now becoming the silver medal winner and this and this tying for the bronze).
And if that didn't blow your mind enough, here are the adventures of Mister President Doctor Steve Elvis America, Man of Action: