By the power of Grayskull, he has the power! With the Power Sword in hand, Prince Adam has transformed into He-Man. Well, a Plush version of He-Man. The Masters of the Universe is one of the most popular cartoons of all time. And, it's easy to see why with such colorful characters. This toy is a perfect companion for the Battle Cat Plush doll. There are five Masters of the Universe Plush dolls available altogether.