Place a small amount of vanilla frosting on the back of a Nilla Wafer; Place Nilla Wafer on bottom half of a Milano cookie.
Place a small amount of vanilla frosting on the back of 2 eyes; Place eyes on the top end of the Milano cookie, about 1/4 of the distance between the top of the cookie and the Nilla Wafer.
Use the chocolate frosting to create a tuft of horse mane in the center of the top of the Milano cookie.
Use the vanilla frosting to create ears on either side of the tuft of mane on the top of the Milano cookie.
Use the colored gel frosting to draw an arced lined slightly above the Nilla Wafer to resemble the horse's reigns.
Use the black gel frosting to draw two nostrils and a mouth on the Nilla Wafer.