STEP 1 - Enter the initials of your First Name and your Last Name (for example if your name is James Smith type JS) INITIALS: STEP 2 - You also need to think of a secret codename (like 'White Tiger' or 'Red Knight') so you can check in to M.I.Kidz Headquarters each time you visit. (up to 15 letters) CODENAME: If you have already registered then click here to check in.