Our Letter H Costumes are just what you need if you have been invited to a party with an H theme. Use this section to find yourself a character starting with H. Costumes starting with the letter H range from He-Man to Hellraiser. One of the most famous H characters of all time must be the spell-binding Harry Potter. Become a part of the Hogwarts magic with our extensive range of official Harry Potter costumes. If you want something a little more far out, our Hippie costumes come in bold flower patterns and paisley prints making them eye-catching pieces. If the invite requires you to wear Letter H costumes you need look no further.