GRIDIRON is a tough and dedicated Autobot, one of the first to step up to the challenge of fending off the Decepticon scourge. On duty, he is gruff, serious, and to the point. Off duty, he is jovial, kind, and always willing to whip up a party to keep up morale among the troops. Originally constructed to work the smelters back on Cybertron, he is built tough, a natural soldier, but that calling would never have occurred to him had the Decepticons not attacked his factory. Faced with the loss of that day, he turned his talents to war and joined the Autobot cause. In robot mode, he carries a concussion rifle, capable of sending powerful bursts of compressed air towards his targets to explode with shattering force. In his M1A1 Abrams battle tank mode, he is armed with a 120 mm artillery canno