Littlest Pet Birthday Cake Templates A Recipe For A Dog Cake?

A Recipe for a Dog Cake? - littlest pet birthday cake templates

I have a child's birthday in a few months .. I want to know a recipe for "dog" to make it a cupcake:]
I know they are products for dog biscuits and stuff ..

but I could tell someone what to cook some of the ingredients?

and if I am in a supermarket or a pet shop?
Thank you very much!