Yes, you can definitely use different types of Chex cereal in your Churro Chex Mix. The recipe is quite versatile, allowing you to customize it to your preferences. You can mix and match different varieties of Chex cereal, such as Rice Chex, Corn Chex, Wheat Chex, or even a combination of them. You can also add a variety of other mix-ins such as nuts, pita chips, or even seeds.