Halloween Black Magic Candy Cake! It's Insane!

Name: Halloween Black Magic Candy Cake! It's Insane!
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: American
Ingredients: 1 3/4 cups all-purpose flour; 2 cups white sugar; 3/4 cup unsweetened Special Dark Hershey's Cocoa Powder; 2 teaspoons baking soda; 1 teaspoon baking powder; 1 teaspoon salt; 2 eggs; 1 cup strong brewed coffee; 1 cup buttermilk; 1/2 cup vegetable oil; 1 teaspoon vanilla extract; ½ cup unsweetened Special Dark Hershey's Cocoa; 2 1/2 cups confectioner's sugar; 1/4 teaspoon salt; 1 teaspoon vanilla; 1/3 cup milk (add more if needed); 4 ounces butter (1 stick, softened); 2 tablespoons cream cheese (softened); Snickers