Lo and behold, we got the Iron Grenadier Rowdy Roddy Piper action figure, and it’s currently available for a great price at Heritage Auctions. Joe 2007 Joecon Exclusive Iron Grenadier Rowdy Roddy Piper Figure Is Going For A Great Price At An AuctionThis strange crossover figure was exclusive to the 2007 G.I. As for his backstory, Rowdy Roddy Piper was supposed to be Cobra’s answer to Sgt. Eventually, he learned of his links with the Destro clan and became an Iron Grenadier instructor for Cobra. While there were probably many WWE wrestlers to choose from, Rowdy Roddy Piper worked perfectly due to his volatile in-ring persona.