Per Wikipedia...

There are a variety of related Cheez-It products including:

Extra Toasty
Reduced Fat
Baby Swiss
White Cheddar
Reduced Fat White Cheddar
Pepper Jack
Provolone (With Real Hickory Smoke Flavor Added)
Italian Four Cheese
Cheddar Jack
Snack Mix
Snack Mix Double Cheese
Hot & Spicy (made with Tabasco)
Mozzarella
Duoz Sharp Cheddar & Parmesan
Scrabble Junior
Whole Grain
Zesty Cheddar Ranch Grooves
Sharp White Cheddar Grooves
Cheddar Cheese Grooves
Hot and Spicy Grooves
Cheez-It Big (a larger cracker more suitable for garnishing or dipping)[4]
Colby
Chipotle Cheddar