This Masters of the Universe t-shirt features an image of the most powerful man in the universe, He-Man. The shirt reads Call The Vet 'Cause These Puppies Are Sick. Is it any wonder everyone loves He-Man? When Prince Adam raises his sword and says "I have the power", he transforms into the mighty He-Man, who not only protects the secrets of Castle Grayskull, but also shows off all of his muscles in each exciting episode of Masters of the Universe!