"Itzzy Bitzzy" appears to be a legitimate business based in Los Angeles, specializing in unique products and custom apparel. There are positive customer reviews available for their products, such as the Itzzy Bitzzy Baby Sneakers, on platforms like Amazon. Additionally, a review video for "Itzzy Bitzzy" can be found on YouTube. However, it's always a good idea to do thorough research and check multiple sources before making a purchase.