Bake cupcakes. Prepare cake batter following recipe instructions. Bake and cool cupcakes in white baking cups.

Tint icing. Prepare buttercream icing following recipe instructions. Tint icing medium brown using color combination provided. Combine Brown and Red-Red icing colors to get medium brown color shown.

Thin chocolate decorator icing to medium consistency using small amount of water or milk.

Decorate cupcakes. Using spatula, ice tops of cupcakes smooth using medium brown icing. Reserve remaining icing.

Prepare decorating bag with coupler, tip 3 and remaining medium brown icing. Prepare second decorating bag with coupler, tip 233 and medium consistency chocolate icing.

Using chocolate icing with tip 233, use pull-out technique to pipe fur around outside edge of cupcakes.

Using medium brown icing with tip 3, use dot technique to pipe ears.

Switch chocolate icing bag to tip 2; pipe eyes and nose on each cupcake. Switch to tip 1; pipe whiskers.