Hey! Remember the Double Rainbow business going around a while back? Those were the days, huh! Well, now there’s a T-shirt to help you never forget. And because you - a faithful Adventure Time blog reader - are so special, the good folks at Mighty Fine are offering you a 25% discount just by entering the code OMG over on their ordering website. Let’s keep our fingers crossed we’ll see next that Lumpy Space Princess “Where’s the Beef?” shirt.