Prepare pizza dough as directed on the package.
Spread and shape dough on greased pizza pan.
Pierce dough with fork 8 or 10 times.
Place in a preheated oven at 450 degrees for 5 minutes.
Remove crust from oven and spread 3/4 cup of chocolate pudding on the crust.
Sprinkle with 1/4 cup of crumb topping.
Place back in the oven and bake for 18 – 20 minutes.
Crumb topping should be a little crisp.
Mix flour, sugar, brown sugar, and salt.
Place butter in mixture and blend with a fork or pastry blender until the crumb topping resembles cornmeal.