This is an Elmo Cake with the Buttercream icing tip. I recently made a cake for a birthay party of 40 people or a friend. The theme was Elmo. Rather than make 2 Elmo cakes, I decided to make a big sheet cake and make Elmo as 3-D on top of the cake. It was a yellow cake with buttercream icing.
A tip when using boxed cake is to put a small package of pudding in with the mix (any flavor you like). Just mix it with all the other ingredients and you will always have a moist and tasteful cake - never fails. I especially love Strawberry. Changes the whole flavor of the cake an is less expensive then purchasing fresh fruit.