Triple Chocolate Peanut Butter Mousse Cake

box of your favorite chocolate cake mix (I like to use a chocolate fudge one in this recipe.)

box of instant chocolate pudding

canola oil

eggs

sour cream

warm water

creamy peanut butter

cream cheese, softened

whipped topping, thawed (save the remainder of the tub for topping the cake)

powdered sugar

Chocolate syrup & honey roasted peanuts, for garnishing