A point of clarification: German chocolate cake is not at all German. It was named for an American, Sam German and his dark baking chocolate, and was originally known as German's chocolate cake. So.
I recently made a devil's food cake recipe, and it was freaking amazing. And it just so happens that Jonathan's birthday also occurred recently, and that German chocolate cake is his favorite. Viola! German chocolate cake coming up! I topped the delicious chocolate cake with this recipe for German chocolate-style icing, and the resulting cake was magnificent: